Description
Hanna GroLine Hydroponic Tester HI98131 pH, EC, TDS, Temp PPM 5 lbs per 1 gallon water Integra Boost SIZE:7.5 to 75 mL (0.2 to 2%) 1HP44A57 3 16 4 5 lbs per 1 gallon water Application dosage may be adjusted to both normal and aggressive strengths