Quick view Compare Choose Options Cutting Edge Solutions Cutting Edge Solutions pH Down, 1 qt, case of 12 MSRP: $167.88 Was: Now: $126.60 Quick view Compare Choose Options
Quick view Compare Choose Options Microbe Life Hydroponics Microbe Life Hydroponics pH UP, 1 qt MSRP: Was: Now: $31.54 Quick view Compare Choose Options
Quick view Compare Choose Options Microbe Life Hydroponics Microbe Life Hydroponics pH DOWN, 1 qt MSRP: Was: Now: $31.54 Quick view Compare Choose Options
Quick view Compare Choose Options GroStar GroStar GS1-E replacement pH electrode MSRP: Was: Now: $54.78 Quick view Compare Choose Options
Quick view Compare Choose Options HM Digital Meters HM Digital TDS-3 Handheld TDS meter MSRP: Was: Now: $38.19 Quick view Compare Choose Options
Quick view Compare Choose Options GroStar GroStar GS1 PH/Temp 2-IN-1 Pen MSRP: $115.99 Was: Now: $104.43 Quick view Compare Choose Options
Quick view Compare Choose Options Active Air Active Air 2-Way Moisture/pH Meter MSRP: Was: Now: $25.44 Quick view Compare Choose Options
Quick view Compare Choose Options Milwaukee Instruments Milwaukee Instruments pH 4.01 Calibration Solution, 230 ml MSRP: Was: Now: $30.41 Quick view Compare Choose Options
Quick view Compare Choose Options Milwaukee Instruments Milwaukee Instruments pH600 Digital pH Pen MSRP: Was: Now: $43.04 Quick view Compare Choose Options
Quick view Compare Choose Options GroStar GroStar EC Calibration Kit 2.77 EC, 8 oz. each MSRP: Was: Now: $29.37 Quick view Compare Choose Options
Quick view Compare Choose Options GroStar GroStar GS2 Soil PH/Temp 2-IN-1 Pen MSRP: $256.99 Was: Now: $200.19 Quick view Compare Choose Options
Quick view Compare Choose Options GroStar GroStar pH Probe Maintanence Kit MSRP: Was: Now: $23.99 Quick view Compare Choose Options
