pH affects nutrient and water uptake

Stage 4 — Ion Exchange Resin

if you have a small sink or short faucet

gel filled

HM Digital EC-3 Electrical Conductivity Tester with Case Culligan shower filter pH affects nutrient and waterIdeal for all water purification applications, wastewater regulation, aquaculture, hydroponics, and colloidal silver. Perfect for both consumer or commercial use. Carry one in your pocket or toolbox at all times! Features Ideal for commercial use. Includes a carrying case with belt clip. Highly efficient and accurate due to its advanced microprocessor technology. Hold Function: saves measurements for convenient reading and recording. Auto off