Quick view Details Bluelab | sku: HGC716055 Bluelab® pH Probe KCl Storage Solution 120 ml MSRP: $14.70 Was: $14.70 Now: $12.34 Add to Cart
Quick view Details Hanna Instruments | sku: HI70300-023 Hanna 230 mL Storage Solution MSRP: $16.00 Was: $16.00 Now: $9.89 View Details
Quick view Details General Hydroponics | sku: HGC722145 GH pH Test Kit 1 oz MSRP: $9.59 Was: $9.59 Now: $6.37 Add to Cart
Quick view Details General Hydroponics | sku: HGC722140 GH pH Test Indicator 8 oz (Must buy 12) MSRP: $14.68 Was: $14.68 Now: $9.72 Add to Cart
Quick view Details Bluelab | sku: HGC716448 Bluelab Probe Care pH & Conductivity MSRP: $30.74 Was: $30.74 Now: $23.52 Add to Cart
Quick view Details Auto pot | sku: APWS050-A5 AQUAvalve5 MSRP: $26.79 Was: $26.79 Now: $24.07 Add to Cart
Quick view Details Char Coir | sku: CHCBP8L Char Coir BioPot, 8 L, case of 10 MSRP: Was: $122.95 Now: $68.00 Add to Cart
Quick view Details Bluelab | sku: HGC716053 Bluelab Probe Care Kit - pH MSRP: $23.32 Was: $23.32 Now: $17.84 Add to Cart
Quick view Details Bluelab | sku: HGC716445 Bluelab Replacement pH Probe MSRP: $83.74 Was: $83.74 Now: $61.07 Add to Cart
Quick view Details Hanna Instruments | sku: HI1271 Replacement PH Probe For GroLin MSRP: Now: $15.00 View Details
Quick view Details GroStar | sku: AI11010 Apera GroStar GS1 pH Pen MSRP: $115.99 Was: $115.99 Now: $84.39 Add to Cart
Quick view Details GroStar | sku: AI61113 Apera pH calibration kit (pH 4/7, 8oz. each) MSRP: $18.99 Was: $18.99 Now: $13.29 View Details