Quick view Compare Choose Options GroStar GroStar GS1 PH/Temp 2-IN-1 Pen MSRP: Was: Now: (Inc. Tax) MSRP: $115.99 Was: Now: $94.48
Quick view Compare Choose Options GroStar GroStar GS1-E replacement pH electrode MSRP: Was: Now: (Inc. Tax) MSRP: $50.99 Was: Now: $44.84
Quick view Compare Choose Options GroStar GroStar GS2 Soil PH/Temp 2-IN-1 Pen MSRP: Was: Now: (Inc. Tax) MSRP: $256.99 Was: Now: $190.25
Quick view Compare Choose Options GroStar GroStar GS2-E replacement Soil Spear pH electrode MSRP: Was: Now: (Inc. Tax) MSRP: $181.99 Was: Now: $137.31
Quick view Compare Choose Options GroStar GroStar GS3 EC/500ppm/700ppm/Temp 4-IN-1 Pen MSRP: Was: Now: (Inc. Tax) MSRP: $113.99 Was: Now: $89.31
Quick view Compare Choose Options GroStar GroStar GS3-E replacement EC electrode MSRP: Was: Now: (Inc. Tax) MSRP: $53.99 Was: Now: $46.95
Quick view Compare Add to Cart The item has been added GroStar GroStar GS4 pH/EC/500ppm/700ppm/Temp 5-in-1 Combo Pen MSRP: Was: Now: (Inc. Tax) MSRP: $178.99 Was: Now: $135.19
Quick view Compare Choose Options GroStar GroStar GS4-E replacement pH/EC combo electrode MSRP: Was: Now: (Inc. Tax) MSRP: $79.99 Was: Now: $65.31
Quick view Compare Choose Options GroStar GroStar pH calibration kit pH 4/7, 8 oz. each MSRP: Was: Now: (Inc. Tax) MSRP: Was: Now: $29.07
Quick view Compare Choose Options GroStar GroStar pH calibration kit pH 4/7/10, 8 oz. each MSRP: Was: Now: (Inc. Tax) MSRP: Was: Now: $36.13
Quick view Compare Choose Options GroStar GroStar pH Probe Maintanence Kit MSRP: Was: Now: (Inc. Tax) MSRP: Was: Now: $32.60
Add to Cart The item has been added
