Standard Hydroponic pH Kit For Hydroponic Growing Systems is Critical, So You Can Adjust pH To Maximize Plant Growth And Nutrient Uptakes Since Not All Water is the Same Across The Land. The up PH has not been used, and the Down PH has been used but is mostly full.
➪ ONE DROP GOES A LONG WAY. With 35% CONCENTRATION - Having Hard Water Growing Plants Can Get Tricky And Very Annoying With pH Drifting, So We Run Our pH Formula ( Very Rich ) - This Allows Nutrients To Bind, So Your Plants Will Feed In The Grow Zone Longer.
Membrane Solutions PH Meter Test Pen, 0.01 High Accuracy, 0-14 PH Measurement Range Water Test Pen. Sold as a set. Used. Pen type digital PH meter
LCD indicator panel
Power on/off power switch
Small size, light weight, easy to carry