General Hydroponics pH Control Kit pH Probe water purification output depends on

water purification output depends on membrane Gallons Per Day rating

KDF media can remove 99% of free chlorine

Grow your own food

year round

Lemon Basil Pre-seeded Seed Pack

General Hydroponics pH Control Kit pH Probe water purification output depends onUsed in the STEM Garden water reservoir to regulate pH to ideal ranges for plants to grow. General Hydroponics pH Control Kit contains everything you need to measure pH levels of your hydroponic grow reservoirs RELIABLE RESULTS: The streamlined testing system delivers fast, accurate, and easy to read results every time ALL IN ONE KIT: Includes 8 oz. General Hydroponics pH Up Liquid, 8 oz. General Hydroponics pH Down Liquid, 1 oz. Test Indicator, test