Quick view Compare Add to Cart General Hydroponics pH Test Kit MSRP: Was: Now: $7.96 Quick view Compare Add to Cart
Quick view Compare Add to Cart General Hydroponics pH Control Kit MSRP: Was: Now: $18.19 Quick view Compare Add to Cart
Quick view Compare Add to Cart Technaflora pH Up - 1L MSRP: Was: Now: $14.09 Quick view Compare Add to Cart
Quick view Compare Choose Options Bluelab pH Calibration Solution MSRP: Was: Now: $10.99 - $12.99 Quick view Compare Choose Options
Quick view Compare Add to Cart HM Digital TDS-3 Handheld TDS meter MSRP: Was: Now: $27.95 Quick view Compare Add to Cart
Quick view Compare Add to Cart HM Digital COM-80 EC/TDS/Temp Waterproof Hydro Tester MSRP: Was: Now: $42.95 Quick view Compare Add to Cart
Quick view Compare Add to Cart HM Digital PH-80 pH/Temperature Meter MSRP: Was: Now: $46.50 Quick view Compare Add to Cart
Quick view Compare Add to Cart Luster Leaf Digital Soil pH Meter MSRP: Was: Now: $16.29 Quick view Compare Add to Cart
Quick view Compare Add to Cart Luster Leaf Digital Moisture Meter MSRP: Was: Now: $14.99 Quick view Compare Add to Cart
Quick view Compare Add to Cart Luster Leaf Rapitest Soil Test Kit MSRP: Was: Now: $17.99 Quick view Compare Add to Cart
Quick view Compare Choose Options General Hydroponics Meter Calibration Solutions MSRP: Was: Now: $7.96 - $8.66 Quick view Compare Choose Options
Quick view Compare Add to Cart General Hydroponics pH Test Kit - 8 oz. MSRP: Was: Now: $11.39 Quick view Compare Add to Cart