GH pH Test Kit 1 oz

Struggle with rising pH? General Hydroponics pH Test Kit (1 oz) is the solution. This advanced broad-spectrum super-concentrated pH test kit works across a broad pH spectrum, from 4.0 to 8.5. As far as pH test kits go, the GH model ensures you reliably capture your system's pH quickly and cost-effectively. The kit includes everything you need to capture pH throughout the grow, including sampling tube, reagent, and color comparison chart.