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Products
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Displaying 1 to 319 (of 319 products) Result Pages:  1 
 1000 PPM Calibration Solution 
 1000 PPM Calibration Solution 
 $5.95 
Buy Now
 12880 S/cm Calibration Solution, 25 x 20mL, Case of 25 
 12880 S/cm Calibration Solution, 25 x 20mL, Case of 25 
 $30.95 
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 12880 S/cm Conductivity Solution 
 12880 S/cm Conductivity Solution 
 $11.95 
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 1382 PPM Solution, 220ml 
 1382 PPM Solution, 220ml 
 $10.95 
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 1382 PPM Solution, 230ml 
 1382 PPM Solution, 230ml 
 $14.95 
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 1382 PPM TDS Solution, 460mL 
 1382 PPM TDS Solution, 460mL 
 $17.95 
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 1382 PPM@25C Calibration Solution, 25 x 20mL, Case of 25 
 1382 PPM@25C Calibration Solution, 25 x 20mL, Case of 25 
 $30.95 
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 1382 TDS Solution, 20mL, Case of 25 
 1382 TDS Solution, 20mL, Case of 25 
 $22.95 
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 1413 mS Packet, Case of 25 
 1413 mS Packet, Case of 25 
 $20.99 
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 1413 mS/cm Solution, 230mL 
 1413 mS/cm Solution, 230mL 
 $14.95 
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 1413 S/cm (EC) Calibration Solution, 25 x 20mL, Case of 25 
 1413 S/cm (EC) Calibration Solution, 25 x 20mL, Case of 25 
 $30.95 
Buy Now
 1413 uS & 1500 PPM Calibration Kit, Twin Pack 2 x  8oz 
 1413 uS & 1500 PPM Calibration Kit, Twin Pack 2 x 8oz 
 $20.00 
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 1413 uS & 1500 PPM Calibration Kit, Twin Pack 2 x 16oz 
 1413 uS & 1500 PPM Calibration Kit, Twin Pack 2 x 16oz 
 $28.00 
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 1413 US Solution 500ml 
 1413 US Solution 500ml 
 $18.25 
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 1500 PPM Calibration Solution  8oz 
 1500 PPM Calibration Solution 8oz 
 $8.20 
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 1500 PPM Calibration Solution 1 Qt 
 1500 PPM Calibration Solution 1 Qt 
 $21.50 
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 1500 PPM Packet, Case of 25 
 1500 PPM Packet, Case of 25 
 $22.95 
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 1500 PPM Refenernce Solution, 8oz 
 1500 PPM Refenernce Solution, 8oz  
 $8.20 
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 1500 PPM Solution, 230mL 
 1500 PPM Solution, 230mL 
 $13.95 
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 1500 PPM@25C Calibration Solution, 25 x 20mL, Case of 25 
 1500 PPM@25C Calibration Solution, 25 x 20mL, Case of 25 
 $30.95 
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 2-Way Moisture/pH Meter 
 2-Way Moisture/pH Meter 
 $7.95 
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 24-7 Monitor PPM Replacement Electrode 
 24-7 Monitor PPM Replacement Electrode 
 $49.95 
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 24-7 Nutrient Monitor w/Calibration Solution 
 24-7 Nutrient Monitor w/Calibration Solution 
 $208.95 
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 24-7 pH Replacement Probe 
 24-7 pH Replacement Probe 
 $49.95 
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 4.0 250mL Calibration Solution 
 4.0 250mL Calibration Solution 
 $7.95 
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 4.0 500mL Calibration Solution 
 4.0 500mL Calibration Solution 
 $10.95 
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 7.0 250mL Calibration Solution 
 7.0 250mL Calibration Solution 
 $7.95 
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 7.0 500mL Calibration Solution 
 7.0 500mL Calibration Solution 
 $10.95 
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 Accurate pH 7 - Soil pH Moisture Meter 
 Accurate pH 7 - Soil pH Moisture Meter 
 $64.95 
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 Accurate pH 8 - Soil pH and Moisture Meter 
 Accurate pH 8 - Soil pH and Moisture Meter 
 $74.95 
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 ActiveAir 3 - Way Meter 
 ActiveAir 3 - Way Meter 
 $9.95 
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 AquaPro TDS/Temperature Meter 
 AquaPro TDS/Temperature Meter 
 $44.95 
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 B L Nutrient Probe Cleaning Kit 
 B L Nutrient Probe Cleaning Kit 
 $17.95 
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 B L pH Probe Clean-Calibration Kit 
 B L pH Probe Clean-Calibration Kit 
 $28.95 
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 Batteries for pH/TDS Pen (6 packs of 4 battteries) 
 Batteries for pH/TDS Pen (6 packs of 4 battteries) 
 $6.95 
Buy Now
 Bluelab Combo Meter 
 Bluelab Combo Meter 
 $295.00 
Buy Now
 Bluelab Guardian Monitor 
 Bluelab Guardian Monitor 
 $345.00 
Buy Now
 Bluelab pH Meter w/Probe 
 Bluelab pH Meter w/Probe 
 $200.00 
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 Bluelab pH Replacement Electrode for Combo & pH Meter 
 Bluelab pH Replacement Electrode for Combo & pH Meter 
 $67.00 
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 Bluelab Truncheon 
 Bluelab Truncheon 
 $135.00 
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 Buffer 4.01 pH 500ml 
 Buffer 4.01 pH 500ml 
 $20.42 
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 Buffer 7.00 pH 500ml 
 Buffer 7.00 pH 500ml 
 $20.41 
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 Cal Check Solution 
 Cal Check Solution 
 $43.95 
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 Cal Sol 1380PPM, 2oz 
 Cal Sol 1380PPM, 2oz 
 $5.98 
Buy Now
 Champ pH Tester 
 Champ pH Tester 
 $58.95 
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 Checker pH Tester w/Replaceable Electrode 
 Checker pH Tester w/Replaceable Electrode 
 $38.95 
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 Combo pH/EC/TDS/C/PPM Tester 
 Combo pH/EC/TDS/C/PPM Tester 
 $197.95 
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 Commercial Grade Combo pH/EC/TDS/Temp Meter 
 Commercial Grade Combo pH/EC/TDS/Temp Meter 
 $399.95 
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 Commercial Truncheon 
 Commercial Truncheon 
 $134.95 
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 Continuous pH/TDS/temp Monitor 
 Continuous pH/TDS/temp Monitor 
 $246.95 
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 Control Wizard 1382Calibration Solution 
 Control Wizard 1382Calibration Solution 
 $4.95 
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 Digi Stick 
 Digi Stick 
 $89.95 
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 Digital Light Meter 
 Digital Light Meter 
 $99.95 
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 Dipstick Meters 
 Dipstick Meters 
 $84.95 
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 DiST 1 TDS Tester 
 DiST 1 TDS Tester 
 $71.95 
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 DiST 5 EC/TDS Meter 
 DiST 5 EC/TDS Meter 
 $126.95 
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 Double Junction pH Probe for MW100 
 Double Junction pH Probe for MW100 
 $53.95 
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 Earth Juice Natural Down, 1.6lb 
 Earth Juice Natural Down, 1.6lb 
 $15.90 
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 Earth Juice Natural Up, 2lb 
 Earth Juice Natural Up, 2lb 
 $17.88 
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 EC Hand Meter SM302 
 EC Hand Meter SM302 
 $106.95 
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 EC Shake Meter 
 EC Shake Meter 
 $87.95 
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 EC65 Waterproof Tester 
 EC65 Waterproof Tester 
 $76.95 
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 Eco Tester TDS  Low 
 Eco Tester TDS Low 
 $95.95 
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 Eco Tester TDS High 
 Eco Tester TDS High 
 $95.95 
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 Ecoplus Thermometer & Hygrometer 
 Ecoplus Thermometer & Hygrometer 
 $24.95 
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 Electrode Cleaner 16oz 
 Electrode Cleaner 16oz 
 $18.95 
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 Electrode Cleaner Twin Pack, 2 x 8oz 
 Electrode Cleaner Twin Pack, 2 x 8oz 
 $17.50 
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 Electrode Replacement for pH 1 & Ultra 
 Electrode Replacement for pH 1 & Ultra 
 $53.95 
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 Electrode Replacement for pH 2 
 Electrode Replacement for pH 2 
 $71.49 
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 Electrode Storage Solution,  8oz 
 Electrode Storage Solution, 8oz  
 $10.00 
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 Electrode Storage Solution, 16oz 
 Electrode Storage Solution, 16oz  
 $12.50 
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 Electrolyte Solution 
 Electrolyte Solution 
 $47.00 
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 Encore Repeat Cycle Timer 
 Encore Repeat Cycle Timer 
 $94.95 
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 Floating Thermometer 
 Floating Thermometer 
 $2.09 
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 Four Way Analyzer 
 Four Way Analyzer 
 $34.95 
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 GroChek EC Electrode 
 GroChek EC Electrode 
 $54.95 
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 GroChek EC Monitor 
 GroChek EC Monitor 
 $111.95 
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 GroChek EC Tester 
 GroChek EC Tester 
 $107.95 
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 GroChek Hanna EC/TDS Monitor w/HI7632 EC Probe 
 GroChek Hanna EC/TDS Monitor w/HI7632 EC Probe 
 $111.95 
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 GroChek Hanna pH Indicator 
 GroChek Hanna pH Indicator 
 $111.95 
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 GroChek Hanna pH/EC/TDS/C/PPT Pocket Tester 
 GroChek Hanna pH/EC/TDS/C/PPT Pocket Tester 
 $197.95 
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 GroChek pH & TDS Combo Continuous Reading Meter 
 GroChek pH & TDS Combo Continuous Reading Meter 
 $195.95 
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 GroChek pH Tester 
 GroChek pH Tester 
 $105.95 
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 GroChek pH/EC/TDS/C Portable M 
 GroChek pH/EC/TDS/C Portable M 
 $275.95 
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 GroChek pH/EC/TDS/C Portable m 
 GroChek pH/EC/TDS/C Portable m 
 $275.95 
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 GroChek pH/EC/TDS/Temp Combo 
 GroChek pH/EC/TDS/Temp Combo 
 $198.95 
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 GroChek Replacement Probe for HI9813 
 GroChek Replacement Probe for HI9813 
 $121.95 
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 GroChek Replacement Probe for HI9813-0 
 GroChek Replacement Probe for HI9813-0 
 $139.95 
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 GroChek Replacement Probe for HI9813-6 
 GroChek Replacement Probe for HI9813-6 
 $132.95 
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 GroChek TDS Tester 
 GroChek TDS Tester 
 $107.95 
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 Guardian Monitor 
 Guardian Monitor 
 $345.00 
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 Hanna 1382 PPM TDS Solution 20mL 
 Hanna 1382 PPM TDS Solution 20mL  
 $1.29 
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 Hanna 1500 PPM TDS Solution 20mL 
 Hanna 1500 PPM TDS Solution 20mL  
 $1.29 
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 Hanna Cleaning Solution 20mL 
 Hanna Cleaning Solution 20mL  
 $1.59 
Buy Now
 Hanna Dist 1 TDS (HI-98300) 
 Hanna Dist 1 TDS (HI-98300) 
 $60.95 
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 Hanna Dist 5 EC/TDS Waterproof Meter (HI98311) 
 Hanna Dist 5 EC/TDS Waterproof Meter (HI98311) 
 $123.95 
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 Hanna Grochek Combo Meter (HI981404N) 
 Hanna Grochek Combo Meter (HI981404N) 
 $169.95 
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 Hanna GroChek pHEP 4 Meter 
 Hanna GroChek pHEP 4 Meter 
 $109.95 
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 Hanna GroChek pHEP 5 Meter 
 Hanna GroChek pHEP 5 Meter 
 $93.00 
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 Hanna GroChek TDS Monitor (HI 983301N) 
 Hanna GroChek TDS Monitor (HI 983301N) 
 $111.95 
Buy Now
 Hanna pH  4.01 Calibration Solution 20mL 
 Hanna pH 4.01 Calibration Solution 20mL  
 $1.29 
Buy Now
 Hanna pH  7.01 Calibration Solution 20mL 
 Hanna pH 7.01 Calibration Solution 20mL  
 $1.29 
Buy Now
 Hanna pH 10.01 Calibration Solution 20mL 
 Hanna pH 10.01 Calibration Solution 20mL  
 $1.29 
Buy Now
 Hanna pH 1413 uS/CM Calibration Solution 16oz 
 Hanna pH 1413 uS/CM Calibration Solution 16oz 
 $19.49 
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 Hanna pH 1500 PPM Calibration Solution 
 Hanna pH 1500 PPM Calibration Solution 
 $19.49 
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 Hanna pH 4 Calibration Solution 16oz 
 Hanna pH 4 Calibration Solution 16oz 
 $17.95 
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 Hanna pH 7 Calibration Solution 16oz 
 Hanna pH 7 Calibration Solution 16oz 
 $17.95 
Buy Now
 Hanna pH Indicator w/Elect. (HI981401N) 
 Hanna pH Indicator w/Elect. (HI981401N) 
 $111.95 
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 Hanna pH Rep. Probe 6.6' (HI1286) 
 Hanna pH Rep. Probe 6.6' (HI1286)  
 $61.95 
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 Hanna pH/EC/TDS Temp Cont (HI991404) 
 Hanna pH/EC/TDS Temp Cont (HI991404) 
 $194.95 
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 Hanna pH/TDS Pen Batteries 12/Pack 
 Hanna pH/TDS Pen Batteries 12/Pack 
 $19.95 
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 Hanna pH/TDS/Temp Monitor (HI981504/7) 
 Hanna pH/TDS/Temp Monitor (HI981504/7) 
 $244.95 
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 Hanna PHEP 4 Waterproof Meter (HI98127) 
 Hanna PHEP 4 Waterproof Meter (HI98127) 
 $109.95 
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 Hanna PHEP Meter (HI98107) 
 Hanna PHEP Meter (HI98107) 
 $55.95 
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 Hanna Portable pH/C/TDS/Temp (HI9813-6) 
 Hanna Portable pH/C/TDS/Temp (HI9813-6) 
 $259.95 
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 Hanna Portable pH/EC/TDS Meter (HI9813-0) 
 Hanna Portable pH/EC/TDS Meter (HI9813-0) 
 $244.95 
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 Hanna Primo TDS Tester 
 Hanna Primo TDS Tester 
 $22.95 
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 Hanna Replacement pH PROBE (HI1293) 
 Hanna Replacement pH PROBE (HI1293)  
 $111.95 
Buy Now
 Hanna Replacement pH PROBE (HI73127) 
 Hanna Replacement pH PROBE (HI73127)  
 $54.95 
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 Hanna Replacement Probe (HI1285-0) 
 Hanna Replacement Probe (HI1285-0)  
 $139.95 
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 Hanna Replacement Probe (HI1285-6) 
 Hanna Replacement Probe (HI1285-6)  
 $123.95 
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 Hanna Replacement Probe (HI73311) 
 Hanna Replacement Probe (HI73311)  
 $66.95 
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 Hanna Waterproof pH/EC/TDS/Temp (HI98129) 
 Hanna Waterproof pH/EC/TDS/Temp (HI98129) 
 $191.95 
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 HM Aquapro TDS Water Tester AP1 
 HM Aquapro TDS Water Tester AP1 
 $44.99 
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 HM Hanheld TDS-3 Tester 
 HM Hanheld TDS-3 Tester 
 $36.95 
Buy Now
 HM Waterproof EC/TDS/Temp Combo Meter 
 HM Waterproof EC/TDS/Temp Combo Meter 
 $74.95 
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 HM Waterproof pH Meter 
 HM Waterproof pH Meter 
 $99.95 
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 Hydro RX Water & Soil 
 Hydro RX Water & Soil 
 $39.95 
Buy Now
 Inline Dual DM1 TDS Monitor 
 Inline Dual DM1 TDS Monitor 
 $41.95 
Buy Now
 Intermatic (Grasslin) T240 Plug In Timer 
 Intermatic (Grasslin) T240 Plug In Timer 
 $20.95 
Buy Now
 Intermatic (Grasslin) Timer CP924 Digital 
 Intermatic (Grasslin) Timer CP924 Digital 
 $29.95 
Buy Now
 Intermatic (Grasslin) Timer T35 Plug In 
 Intermatic (Grasslin) Timer T35 Plug In 
 $17.49 
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 Intermatic Multi-Purpose 2-Out Digital Timer 
 Intermatic Multi-Purpose 2-Out Digital Timer 
 $29.95 
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 Intermatic T101 Timer 
 Intermatic T101 Timer 
 $65.95 
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 Intermatic T104 Timer 
 Intermatic T104 Timer 
 $70.95 
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 Intermatic Timer HB112C 15AMP 
 Intermatic Timer HB112C 15AMP 
 $21.95 
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 Intermatic Timer TN311-C 15AMP 
 Intermatic Timer TN311-C 15AMP 
 $20.49 
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 Kill-A-Watt Meter 
 Kill-A-Watt Meter 
 $39.95 
Buy Now
 M10004B 20mL Packet 4.01 Buffer 
 M10004B 20mL Packet 4.01 Buffer 
 $1.00 
Buy Now
 M10007B-20mL Packet 7.01 Buffer 
 M10007B-20mL Packet 7.01 Buffer 
 $1.00 
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 M10010B-20mL Packet 10.01 Buffer 
 M10010B-20mL Packet 10.01 Buffer 
 $1.00 
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 M10442B-20mL Packet 1500PPM 
 M10442B-20mL Packet 1500PPM 
 $1.09 
Buy Now
 MA850 Replacement Probe for SM801/802 
 MA850 Replacement Probe for SM801/802 
 $94.95 
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 MA9004-220mL 4.01 Buffer Solution 
 MA9004-220mL 4.01 Buffer Solution 
 $10.95 
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 MA9007-220mL 7.01 Buffer Solution 
 MA9007-220mL 7.01 Buffer Solution 
 $10.95 
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 MA9062-220mL 1382 PPM TDS Solution 
 MA9062-220mL 1382 PPM TDS Solution 
 $10.29 
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 MA957 CO2 Regulator 
 MA957 CO2 Regulator 
 $132.95 
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 Meter Maintenance (Cleaning & Storage Solutions) Tri-Pack 
 Meter Maintenance (Cleaning & Storage Solutions) Tri-Pack 
 $33.00 
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 Milwaukee 3 Function SM802 
 Milwaukee 3 Function SM802 
 $229.95 
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 Milwaukee Double Junction pH Electrode w/1 Meter Cable 
 Milwaukee Double Junction pH Electrode w/1 Meter Cable 
 $53.95 
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 Milwaukee EC Continuous Read 
 Milwaukee EC Continuous Read 
 $122.95 
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 Milwaukee EC Hand Meter SM301 
 Milwaukee EC Hand Meter SM301 
 $106.95 
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 Milwaukee pH - EC - TDS KIT 
 Milwaukee pH - EC - TDS KIT 
 $244.95 
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 Milwaukee pH Continuous Read 
 Milwaukee pH Continuous Read 
 $113.95 
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 Milwaukee pH Continuous {0.0 to 14.0} - SPO 
 Milwaukee pH Continuous {0.0 to 14.0} - SPO 
 $112.95 
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 Milwaukee pH Hand Meter SM100 
 Milwaukee pH Hand Meter SM100 
 $109.95 
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 Milwaukee pH Hand Meter SM101 
 Milwaukee pH Hand Meter SM101 
 $115.95 
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 Milwaukee Sugar Refractometer 
 Milwaukee Sugar Refractometer 
 $111.95 
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 Milwaukee TDS Continuous Monitor w/Cal-Test 
 Milwaukee TDS Continuous Monitor w/Cal-Test 
 $104.95 
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 Milwaukee TDS Continuous Read 
 Milwaukee TDS Continuous Read 
 $122.95 
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 Milwaukee TDS Hand Held 
 Milwaukee TDS Hand Held 
 $106.95 
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 Milwaukee TDS/PPM T75 Tester WP 
 Milwaukee TDS/PPM T75 Tester WP 
 $73.95 
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 Milwaukee TDS/PPT T76 Tester WP 
 Milwaukee TDS/PPT T76 Tester WP 
 $75.95 
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 Milwaukee Waterproof pH Tester 
 Milwaukee Waterproof pH Tester 
 $73.95 
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 Milwaukee Waterproof pH Tester 
 Milwaukee Waterproof pH Tester 
 $73.95 
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 Mini Moisture Tester 
 Mini Moisture Tester 
 $7.95 
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 MR32ATC Sugar Refractometer AT 
 MR32ATC Sugar Refractometer AT 
 $114.95 
Buy Now
 Nutra-Dip Continuous pH Meter 
 Nutra-Dip Continuous pH Meter 
 $133.95 
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 Nutra-Dip Continuous TDS Meter 
 Nutra-Dip Continuous TDS Meter 
 $99.95 
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 Nutra-Dip Continuous Tri Meter (pH, EC & Temperature) 
 Nutra-Dip Continuous Tri Meter (pH, EC & Temperature) 
 $233.95 
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 Nutra-Dip Continuous Tri Meter (pH, PPM & Temperature) 
 Nutra-Dip Continuous Tri Meter (pH, PPM & Temperature) 
 $233.95 
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 Nutra-Dip pH/PPM/Temp Meter 
 Nutra-Dip pH/PPM/Temp Meter 
 $199.95 
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 Nutradrip CMS pH Meter 
 Nutradrip CMS pH Meter 
 $132.95 
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 Nutradrip CMS PPM Meter 
 Nutradrip CMS PPM Meter 
 $99.95 
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 Nutrient Probe Cleaning Kit 
 Nutrient Probe Cleaning Kit 
 $23.95 
Buy Now
 Nutritest 2oz Cal Sol 27.7 for Truncheon 
 Nutritest 2oz Cal Sol 27.7 for Truncheon 
 $4.95 
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 Oakton 1413 Conductivity Solution 500mL 
 Oakton 1413 Conductivity Solution 500mL 
 $15.95 
Buy Now
 Oakton Calibration Solution 15000 uS, Case of 20 
 Oakton Calibration Solution 15000 uS, Case of 20 
 $33.95 
Buy Now
 Oakton Low/High/EC High Replacement Sensor 
 Oakton Low/High/EC High Replacement Sensor 
 $60.95 
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 Oakton Multi PT Tester 35 (pH/TDS/Temp) 
 Oakton Multi PT Tester 35 (pH/TDS/Temp) 
 $184.29 
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 Oakton pH Buffer Solution 4.01 500mL 
 Oakton pH Buffer Solution 4.01 500mL 
 $17.49 
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 Oakton pH Buffer Solution 7.01 500mL 
 Oakton pH Buffer Solution 7.01 500mL 
 $17.49 
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 Oakton pHTester 10 - .1 pH Accuracy  ATC 
 Oakton pHTester 10 - .1 pH Accuracy ATC 
 $127.95 
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 Oakton pHTester 20 - .01 pH Accuracy ATC 
 Oakton pHTester 20 - .01 pH Accuracy ATC 
 $137.95 
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 Oakton pHTester 30 - .01 pH Accuracy Temperature Display ATC 
 Oakton pHTester 30 - .01 pH Accuracy Temperature Display ATC 
 $159.95 
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 Oakton pHTesters Replacement Sensor 
 Oakton pHTesters Replacement Sensor 
 $93.95 
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 Oakton Replaceable Electrodes pH WP 2 Pen 
 Oakton Replaceable Electrodes pH WP 2 Pen 
 $69.95 
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 Oakton Waterproof EC Tester 
 Oakton Waterproof EC Tester 
 $111.95 
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 Oakton Waterproof EC Tester 11+ 
 Oakton Waterproof EC Tester 11+ 
 $149.95 
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 Oakton Waterproof TDS Tester 11+ 
 Oakton Waterproof TDS Tester 11+ 
 $149.95 
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 Oakton Waterproof Total Disolved Solids 
 Oakton Waterproof Total Disolved Solids 
 $121.95 
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 pH   Down,    8oz Acid, Case of 12 
 pH Down, 8oz Acid, Case of 12 
 $90.48 
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 pH   Down,   1 Qt 
 pH Down, 1 Qt 
 $10.76 
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 pH   Down,   1 Qt Acid, Case of 12 
 pH Down, 1 Qt Acid, Case of 12 
 $129.12 
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 pH   Down,  1 Gal Acid, Case of 4 
 pH Down, 1 Gal Acid, Case of 4 
 $107.60 
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 pH   Down,  1L 
 pH Down, 1L 
 $11.09 
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 pH   Down,  4L 
 pH Down, 4L 
 $22.20 
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 pH   Down, 10L 
 pH Down, 10L 
 $42.56 
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 pH   Down, Dry   1.5lb Acid 
 pH Down, Dry 1.5lb Acid 
 $10.76 
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 pH   Down, Dry  4lb Acid 
 pH Down, Dry 4lb Acid 
 $19.40 
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 pH   Down, Dry 16lb Acid 
 pH Down, Dry 16lb Acid 
 $64.50 
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 pH   Up,    8oz Base, Case of 12 
 pH Up, 8oz Base, Case of 12 
 $90.48 
Buy Now
 pH   Up,   1 Qt 
 pH Up, 1 Qt 
 $10.76 
Buy Now
 pH   Up,   1 Qt Base, Case of 12 
 pH Up, 1 Qt Base, Case of 12 
 $129.12 
Buy Now
 pH   Up,  1 Gal 
 pH Up, 1 Gal 
 $26.90 
Buy Now
 pH   Up,  1 Gal Base, Case of 4 
 pH Up, 1 Gal Base, Case of 4 
 $107.60 
Buy Now
 pH   Up,  1L 
 pH Up, 1L 
 $11.09 
Buy Now
 pH   Up,  4L 
 pH Up, 4L 
 $22.20 
Buy Now
 pH   Up, 10L 
 pH Up, 10L 
 $42.56 
Buy Now
 pH   Up, Dry 1.5lb Base 
 pH Up, Dry 1.5lb Base 
 $10.76 
Buy Now
 pH   Up, Dry 16lb Base 
 pH Up, Dry 16lb Base 
 $64.50 
Buy Now
 pH  Control Kit 
 pH Control Kit 
 $17.20 
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 pH  Test Indicator, 8oz 
 pH Test Indicator, 8oz 
 $10.76 
Buy Now
 pH  Test Kit,  1oz 
 pH Test Kit, 1oz 
 $7.54 
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 pH 4.01 Buffer,  8oz 
 pH 4.01 Buffer, 8oz 
 $10.00 
Buy Now
 pH 4.01 Buffer, 16oz 
 pH 4.01 Buffer, 16oz 
 $13.75 
Buy Now
 pH 4.01 Calibration Solution  8oz 
 pH 4.01 Calibration Solution 8oz 
 $7.54 
Buy Now
 pH 4.01 Calibration Solution 1 Qt 
 pH 4.01 Calibration Solution 1 Qt 
 $21.50 
Buy Now
 pH 4.01 Calibration Solution, 25 x 20mL, Case of 25 
 pH 4.01 Calibration Solution, 25 x 20mL, Case of 25 
 $30.95 
Buy Now
 pH 4.01 Solution, Case of 20 
 pH 4.01 Solution, Case of 20 
 $40.95 
Buy Now
 pH 7.0 Calibration Solution  8oz 
 pH 7.0 Calibration Solution 8oz 
 $7.54 
Buy Now
 pH 7.0 Calibration Solution 1 Qt 
 pH 7.0 Calibration Solution 1 Qt 
 $21.50 
Buy Now
 pH 7.01 Buffer,  8oz 
 pH 7.01 Buffer, 8oz 
 $10.00 
Buy Now
 pH 7.01 Buffer, 16oz 
 pH 7.01 Buffer, 16oz 
 $13.75 
Buy Now
 pH 7.01 Calibration Solution, 25 x 20mL, Case of 25 
 pH 7.01 Calibration Solution, 25 x 20mL, Case of 25 
 $30.95 
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 pH Calibration Tri-Pack 4.01 & 7.01 
 pH Calibration Tri-Pack 4.01 & 7.01  
 $33.00 
Buy Now
 pH Calibration Twin Pack 4.01 & 7.01  8oz 
 pH Calibration Twin Pack 4.01 & 7.01 8oz 
 $20.00 
Buy Now
 pH Calibration Twin Pack 4.01 & 7.01 16oz 
 pH Calibration Twin Pack 4.01 & 7.01 16oz 
 $28.00 
Buy Now
 pH Combination Electrode 
 pH Combination Electrode 
 $59.95 
Buy Now
 pH Combo Electrode Glass Body - Refillable Temp. Sensor 
 pH Combo Electrode Glass Body - Refillable Temp. Sensor 
 $180.95 
Buy Now
 pH Control Kit 
 pH Control Kit 
 $17.20 
Buy Now
 pH Controller 115v 
 pH Controller 115v 
 $177.95 
Buy Now
 pH Electrode w/2M (6.6') cable for HI981401N & HI981404N 
 pH Electrode w/2M (6.6') cable for HI981401N & HI981404N 
 $62.95 
Buy Now
 pH Meter Maintenance (pH 4.01, pH 7.01, Electrode Storage Cleaner) Tri-Pack 3 x 8oz 
 pH Meter Maintenance (pH 4.01, pH 7.01, Electrode Storage Cleaner) Tri-Pack 3 x 8oz 
 $33.00 
Buy Now
 pH Probe Cleaning & Calibration Kit 
 pH Probe Cleaning & Calibration Kit 
 $35.95 
Buy Now
 pH Replacement Electrode Blue 
 pH Replacement Electrode Blue 
 $81.95 
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 pH Replacement Probe 
 pH Replacement Probe 
 $44.95 
Buy Now
 pH Soil Meter 
 pH Soil Meter 
 $245.00 
Buy Now
 pH Soil Meter 
 pH Soil Meter 
 $429.95 
Buy Now
 pH Soil Meter, Model 1840 
 pH Soil Meter, Model 1840 
 $21.95 
Buy Now
 pH Soil Probe 
 pH Soil Probe 
 $105.00 
Buy Now
 pH Soil Tester 
 pH Soil Tester 
 $4.69 
Buy Now
 pH Test Kit 1oz 
 pH Test Kit 1oz 
 $7.54 
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 pH Tester With 1 Point Manual Calibration 
 pH Tester With 1 Point Manual Calibration 
 $33.95 
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 pH4 Calibration Solution, 16oz 
 pH4 Calibration Solution, 16oz 
 $17.95 
Buy Now
 pH4 Solution, 20mL, Case of 25 
 pH4 Solution, 20mL, Case of 25 
 $22.95 
Buy Now
 pH4 Solution, 220mL 
 pH4 Solution, 220mL 
 $10.95 
Buy Now
 pH51 Waterproof pH Tester 
 pH51 Waterproof pH Tester 
 $73.95 
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 pH600-AQ pH Meter 
 pH600-AQ pH Meter 
 $33.95 
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 pH7 Calibration Solution, 16oz 
 pH7 Calibration Solution, 16oz 
 $17.95 
Buy Now
 pH7 Solution, 20mL, Case of 25 
 pH7 Solution, 20mL, Case of 25 
 $22.95 
Buy Now
 pH7 Solution, 220mL 
 pH7 Solution, 220mL 
 $10.95 
Buy Now
 pHep 
 pHep 
 $62.95 
Buy Now
 Plant Light Intensity Meter 
 Plant Light Intensity Meter 
 $29.95 
Buy Now
 Primo TDS Tester 
 Primo TDS Tester 
 $39.95 
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 Pro   pH Test Kit 
 Pro pH Test Kit 
 $5.95 
Buy Now
 Pro pH Down,  1 Pt, Case of 12 
 Pro pH Down, 1 Pt, Case of 12 
 $78.00 
Buy Now
 Pro pH Down,  1 Qt, Case of 12 
 Pro pH Down, 1 Qt, Case of 12 
 $114.00 
Buy Now
 Pro pH Down, 1 Gal, Case of 4 
 Pro pH Down, 1 Gal, Case of 4 
 $100.00 
Buy Now
 Pro pH Up,  1 Pt, Case of 12 
 Pro pH Up, 1 Pt, Case of 12 
 $78.00 
Buy Now
 Pro pH Up,  1 Qt, Case of 12 
 Pro pH Up, 1 Qt, Case of 12 
 $114.00 
Buy Now
 Pro pH Up, 1 Gal, Case of 4 
 Pro pH Up, 1 Gal, Case of 4 
 $100.00 
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 Probe pH Electrode 
 Probe pH Electrode 
 $65.95 
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 Programmable Digital Thermostat 
 Programmable Digital Thermostat 
 $63.95 
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 Rapitesst Mini pH Tester 
 Rapitesst Mini pH Tester 
 $8.95 
Buy Now
 Replacement 20' Patchcord for GARHCR Remote Probe 
 Replacement 20' Patchcord for GARHCR Remote Probe 
 $18.00 
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 Replacement Electrode pH 10/20/30 
 Replacement Electrode pH 10/20/30 
 $95.95 
Buy Now
 Replacement Electrode TDS/EC 
 Replacement Electrode TDS/EC 
 $62.95 
Buy Now
 Replacement pH Electrode for HI98127, HI98128, HI98129, & HI98130 
 Replacement pH Electrode for HI98127, HI98128, HI98129, & HI98130 
 $58.95 
Buy Now
 Replacement pH Sensor PH-200 
 Replacement pH Sensor PH-200 
 $49.95 
Buy Now
 Replacement Platinum Sensor COM-100 
 Replacement Platinum Sensor COM-100 
 $36.95 
Buy Now
 Replacement Probe for HI9026 
 Replacement Probe for HI9026 
 $82.00 
Buy Now
 Replacement Probe for MW801 & MW802 ONLY 
 Replacement Probe for MW801 & MW802 ONLY 
 $94.95 
Buy Now
 Replacement Probe/pH 51, (MA73600) 
 Replacement Probe/pH 51, (MA73600) 
 $51.95 
Buy Now
 Replacement Probe/SM802, (MA850) 
 Replacement Probe/SM802, (MA850)  
 $98.95 
Buy Now
 Replacement Probe/T75, (MA73075) 
 Replacement Probe/T75, (MA73075)  
 $71.95 
Buy Now
 Replacement Sensor 
 Replacement Sensor 
 $94.95 
Buy Now
 Salinity (NaCI) Calibration solution 30g-l 
 Salinity (NaCI) Calibration solution 30g-l 
 $30.95 
Buy Now
 SM100 Portable pH Meter 
 SM100 Portable pH Meter 
 $109.95 
Buy Now
 SM401 Portable TDS Meter 
 SM401 Portable TDS Meter 
 $106.95 
Buy Now
 SM802 Smart PH/EC/TDS Combination 
 SM802 Smart PH/EC/TDS Combination 
 $229.95 
Buy Now
 SMS 122 pH Controller 
 SMS 122 pH Controller 
 $154.95 
Buy Now
 SMS110 pH Monitor 
 SMS110 pH Monitor 
 $116.95 
Buy Now
 SMS410 TDS Monitor 
 SMS410 TDS Monitor 
 $117.49 
Buy Now
 SMS415 TDS Meter w/Caltest 
 SMS415 TDS Meter w/Caltest 
 $101.95 
Buy Now
 Soil Test pH - N - P - K 
 Soil Test pH - N - P - K 
 $15.99 
Buy Now
 Storage Solution, 16oz 
 Storage Solution, 16oz 
 $17.95 
Buy Now
 Subculture "B"  150g/200g 
 Subculture "B" 150g/200g 
 $39.98 
Buy Now
 Subculture "B", 300g 
 Subculture "B", 300g 
 $69.95 
Buy Now
 Subculture "M", 300g 
 Subculture "M", 300g 
 $69.95 
Buy Now
 T75 Waterproof  TDS Tester 
 T75 Waterproof TDS Tester 
 $77.95 
Buy Now
 T76 Waterproof  TDS Tester 
 T76 Waterproof TDS Tester 
 $77.95 
Buy Now
 TDS-3 Handheld TDS Meter 
 TDS-3 Handheld TDS Meter 
 $39.95 
Buy Now
 TechnaFlora pH Down, 1L 
 TechnaFlora pH Down, 1L 
 $11.09 
Buy Now
 TechnaFlora pH Down, 4L 
 TechnaFlora pH Down, 4L 
 $22.20 
Buy Now
 TechnaFlora pH Up, 1L 
 TechnaFlora pH Up, 1L 
 $11.09 
Buy Now
 TechnaFlora pH Up, 4L 
 TechnaFlora pH Up, 4L 
 $22.20 
Buy Now
 Thirsty Light 
 Thirsty Light 
 $9.95 
Buy Now
 Thirsty Light Christmas Snowflake 
 Thirsty Light Christmas Snowflake 
 $8.95 
Buy Now
 Thirsty Light Curve 
 Thirsty Light Curve 
 $9.95 
Buy Now
 Thirsty Light Long 
 Thirsty Light Long 
 $9.95 
Buy Now
 Timer Box, 30AMP 
 Timer Box, 30AMP  
 $299.95 
Buy Now
 Timer Box, 50AMP 
 Timer Box, 50AMP  
 $429.95 
Buy Now
 Tri-Meter (EC/pH/Temp) - #204 
 Tri-Meter (EC/pH/Temp) - #204  
 $232.95 
Buy Now
 Tri-Meter (PPM/pH/Temp) - #202 
 Tri-Meter (PPM/pH/Temp) - #202  
 $232.95 
Buy Now
 Tri-Meter pH Replacement Probe, (3' Cable) 
 Tri-Meter pH Replacement Probe, (3' Cable) 
 $66.95 
Buy Now
 Truncheon Contact Ring 
 Truncheon Contact Ring 
 $11.95 
Buy Now
 Truncheon Meter (EC-PPM) 
 Truncheon Meter (EC-PPM) 
 $135.00 
Buy Now
 Waterproof EC/TDS/Temp Combo Meter 
 Waterproof EC/TDS/Temp Combo Meter 
 $74.95 
Buy Now
 Waterproof EcoTester pH1 
 Waterproof EcoTester pH1 
 $70.95 
Buy Now
 Waterproof EcoTester pH2 
 Waterproof EcoTester pH2 
 $85.95 
Buy Now
 Waterproof EcoTester TDS Low 
 Waterproof EcoTester TDS Low 
 $82.95 
Buy Now
 Waterproof PC Tester 35 (EC & pH) 
 Waterproof PC Tester 35 (EC & pH) 
 $178.95 
Buy Now
 Waterproof pH Tester 10 
 Waterproof pH Tester 10 
 $131.49 
Buy Now
 Waterproof pH Tester 30 
 Waterproof pH Tester 30 
 $159.95 
Buy Now
 Waterproof pH/Temperature Meter 
 Waterproof pH/Temperature Meter 
 $114.95 
Buy Now
 Waterproof PT Tester 35 (pH & TDS) 
 Waterproof PT Tester 35 (pH & TDS) 
 $178.95 
Buy Now
 Woods Rooting Compound, 16oz 
 Woods Rooting Compound, 16oz 
 $49.95 
Buy Now
 Woods Rooting Compound, 4oz 
 Woods Rooting Compound, 4oz 
 $19.95 
Buy Now
 
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