PH UP — Nutrient Solution pH Raiser

PH UP — Hydroponic Nutrient Solution pH Raiser

A standard pH Up solution for raising the pH value of hydroponic nutrient solutions into the correct uptake range. pH is critical in indoor cultivation — only when solution pH is in range can plants absorb the full nutrition you're feeding. Keeps your pH precisely where plants need it for perfect growth.

Why growers need pH Up:

• Raises nutrient solution pH — the essential corrective when solution reads too acidic
• Critical for nutrient uptake — plants can't absorb nutrients outside the optimal pH range
• Works with any nutrient brand — pH correction is universal, not brand-specific
• Quick, reliable pH adjustment — add a small amount, stir, re-test, adjust further if needed
• Essential in soft-water areas — where tap water starts already low pH, need to raise rather than lower
• Pairs with pH Down — together give full pH control in any direction

Who it's not for:

Most UK tap water is already alkaline (pH 7.5+), so most growers need pH Down, not pH Up. Only use pH Up if your solution is measuring below target after nutrient addition. For strictly-organic growing, use BioBizz Bio pH Up (humic acid-based). Add a little at a time; over-adjustment wastes product and can over-shoot the target.

In stock now — ships same working day from our Staffordshire warehouse with free UK delivery over £100. Pick up in-store at our Stone shop (ST15 0SR) if you're local, or click & collect at checkout.