Quick view Compare Choose Options Milwaukee Instruments Milwaukee Instruments pH 600 pH Tester w/1 Point Manual Calibration MSRP: Was: Now: $43.88 Quick view Compare Choose Options
Quick view Compare FoxFarm FoxFarm Cultivation Nationreg pH UP, 1 qt, case of 12 MSRP: Was: Now: $309.72 Quick view Compare
Quick view Compare Choose Options Cutting Edge Solutions Cutting Edge Solutions pH Up, 1 gal, case of 4 MSRP: $135.96 Was: Now: $112.17 Quick view Compare Choose Options
Quick view Compare FoxFarm FoxFarm Cultivation Nationreg pH DOWN, 1 qt, case of 12 MSRP: Was: Now: $309.72 Quick view Compare
Quick view Compare Choose Options Milwaukee Instruments Milwaukee Instruments EC40 PRO EC/TDS Nutrient Meter MSRP: Was: Now: $98.24 Quick view Compare Choose Options
Quick view Compare Choose Options HM Digital Meters HM Digital COM-80 EC/TDS/Temp Waterproof Hydro Tester MSRP: Was: Now: $49.11 Quick view Compare Choose Options
Quick view Compare Choose Options GroStar GroStar GS3-E replacement EC electrode MSRP: Was: Now: $56.90 Quick view Compare Choose Options
Quick view Compare Choose Options Cutting Edge Solutions Cutting Edge Solutions pH Up, 1 qt, case of 12 MSRP: $167.88 Was: Now: $126.60 Quick view Compare Choose Options
Quick view Compare Choose Options GroStar GroStar GS4-E replacement pH/EC combo electrode MSRP: $79.99 Was: Now: $75.25 Quick view Compare Choose Options
Quick view Compare Choose Options GroStar GroStar GS3 EC/500ppm/700ppm/Temp 4-IN-1 Pen MSRP: $113.99 Was: Now: $99.25 Quick view Compare Choose Options
Quick view Compare HM Digital Meters HM Digital Hydromaster Replacement EC/TDS Probe MSRP: Was: Now: $49.99 Quick view Compare
Quick view Compare Choose Options Cutting Edge Solutions Cutting Edge Solutions pH Down, 1 gal, case of 4 MSRP: $135.96 Was: Now: $112.17 Quick view Compare Choose Options
