Water and Media Testing

Browse our curated collection of water and soil testing products. Shop Way to Grow for calibration, cleaning and storage solutions, manual tests, pH adjusters, pH pens and meters, and water meters. Shopping online is easy or visit one of our convenient Colorado grow stores today.

General Hydroponics pH Down

General Hydroponics pH Up

Advanced Nutrients pH Down

Advanced Nutrients pH Up

General Hydroponics pH Control Kit