SALE Quick view GH pH 7.01 Calibration Solution Quart MSRP: Was: $36.89 Now: $28.34 Choose Options Compare
SALE Quick view GH pH 4.01 Calibration Solution Quart MSRP: Was: $36.89 Now: $26.08 Choose Options Compare
Quick view HM Digital pH Electrode Storage Solution - 60 cc / 2 oz MSRP: Was: Now: $25.99 Choose Options Compare
Quick view Milwaukee M10007B - 20 ml Packet 7.01 Buffer Solution (25/Cs) MSRP: Was: Now: $44.39 Choose Options Compare
Quick view Bluelab pH 4.0 Calibration Solution 500 ml (6/Cs) MSRP: Was: Now: $72.83 Choose Options Compare
Quick view Bluelab 2.77EC Conductivity Solution 250 ml (6/Cs) MSRP: Was: Now: $59.44 Choose Options Compare
Quick view GH pH 7.01 Calibration Solution 8 oz General Hydroponics uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics technicians check each batch to ensure that our solutions are... MSRP: Was: Now: $27.40 Choose Options Compare
Quick view GH pH 4.01 Calibration Solution 8 oz General Hydroponics uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics technicians check each batch to ensure that our solutions are... MSRP: Was: Now: $27.40 Choose Options Compare
Quick view Hanna Storage Solution, 16 oz Hanna storage solutions are prepared with high-grade potassium chloride and potassium hydrogen phthalate by titration with NIST 2201 standardized silver nNitrate and NIST 84j standardized sodium hydroxide solution, respectively. To minimize clogging and... MSRP: Was: Now: $34.75 Choose Options Compare
Quick view GH 1500 PPM Reference Solution 8 oz General Hydroponics uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics technicians check each batch to ensure that our solutions are... MSRP: Was: Now: $27.82 Choose Options Compare
Quick view HM Digital 1000 PPM Calibration Solution For optimal performance, recalibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges. NaCl calibration solution. Comes in lightweight HDPE plastic bottles. Sealed with a coated foam liner. MSRP: Was: Now: $25.79 Choose Options Compare
SALE Quick view GH pH 7.01 Calibration Solution Quart General Hydroponics uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics technicians check each batch to ensure that our solutions are... MSRP: Was: $36.89 Now: $28.34 Choose Options Compare
SALE Quick view GH pH 4.01 Calibration Solution Quart General Hydroponics uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics technicians check each batch to ensure that our solutions are... MSRP: Was: $36.89 Now: $26.08 Choose Options Compare
Quick view HM Digital pH Electrode Storage Solution - 60 cc / 2 oz For use with HM Digital's PH-200 and PH-80 (as well as other brands of pH meters). Always make sure your sensor is kept in an electrode storage solution. If dry, refill the pH meter cap with the PH-STOR storage solution. The sponge should be moist (not... MSRP: Was: Now: $25.99 Choose Options Compare
Quick view Bluelab Probe Care pH & Conductivity Everything you need to clean, hydrate and calibrate pH probes as well as clean and test conductivity (ppm/EC) probes. The instrument is only as accurate as the probe is clean. Accurate readings simplify crop management and provide improved growth... MSRP: Was: Now: $38.70 Choose Options Compare
Quick view Milwaukee M10007B - 20 ml Packet 7.01 Buffer Solution (25/Cs) Milwaukee Instruments standard calibration solutions are available in one-use 20 ml sachets. Sachets are sealed against light and air and are ideal for on-the-spot calibration. Simply open, insert the tester or electrode into the sachet and calibrate. MSRP: Was: Now: $44.39 Choose Options Compare
Quick view Bluelab pH 4.0 Calibration Solution 500 ml (6/Cs) pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration Solution should be stored in a cool place out... MSRP: Was: Now: $72.83 Choose Options Compare
Quick view Bluelab 2.77EC Conductivity Solution 250 ml (6/Cs) The 2.77EC solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solution should be stored in a cool place out of direct sun and heat. Please keep out of reach of children. They should be... MSRP: Was: Now: $59.44 Choose Options Compare
