Collection: pH Control

pH control products help raise or lower the pH of prepared water or nutrient solution. This collection includes liquid adjusters, with some formulas intended for particular feeding stages or media.

Measure pH with a suitable calibrated meter, adjust gradually and follow the product label. Check concentration and application guidance before mixing into a reservoir.

  • Dutch Pro

    Dutchpro pH Down Grow | pH Reducer for Veg Stage

    Regular price £9.50
    Sale price £9.50 Regular price
    Unit price £9.50  per  l

    Product Description: Dutchpro pH Down Grow is a high-purity, specialized acidic solution designed to lower your water's pH levels specifically during the vegetative phase. Standard universal...

    Size: 1L
  • Bluelab

    Bluelab pH Controller | Automatic pH Monitoring & Dosing for Hydroponics

    Regular price £499.50
    Sale price £499.50 Regular price

    The Bluelab pH Controller is a professional‑grade, automated pH management system designed to maintain perfect pH levels in hydroponic reservoirs, nutrient tanks, and recirculating systems. Built...

  • Athena

    Athena Blended Line Balance | Potassium Silicate Water Stabiliser

    Regular price £19.95
    Sale price £19.95 Regular price

    Athena Blended Line Balance is a highly concentrated potassium silicate formula designed to improve the stability and buffering capacity of irrigation water. Developed particularly for use...

    Size: 1 QT
  • Growth Technology

    Growth Technology pH Up | Potassium Carbonate Liquid

    Regular price £4.50
    Sale price £4.50 Regular price
    Unit price £18.00  per  l

    Product Description Growth Technology pH Up is a professional-grade, highly concentrated alkaline solution engineered to safely raise the pH levels of water and plant nutrient solutions....

    Size: 250ml
  • Dutch Pro

    Dutchpro pH Up | Premium Potassium Hydroxide pH Adjuster

    Regular price £9.50
    Sale price £9.50 Regular price
    Unit price £9.50  per  l

    Product Description: Dutchpro pH Up (pH+) is a professional-grade, highly concentrated alkaline solution engineered to safely raise the pH level of your nutrient reservoirs. Keeping your...

    Size: 1L
  • Dutch Pro

    Dutchpro pH Down Bloom | Nutrient Solution pH Reducer

    Regular price £9.50
    Sale price £9.50 Regular price
    Unit price £9.50  per  l

    Dutchpro pH Down Bloom is a highly concentrated professional fluid tailored to lower your nutrient solution's pH during peak blooming periods. As annual crops enter their...

    Size: 1L