pH up is a concentrated solution of potassium hydroxide used to raise the pH levels of nutrient solution.
Free next-day delivery on orders over £50 (order by 3pm Mon–Thu). Heavy-item surcharges are always shown at checkout before you pay — we only ever charge what delivery costs us. Prefer to collect? Free pickup at our Wembley store.
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Popular extras growers add to their order:
Measuring Jug Set£6.85
Yellow Sticky Insect Traps x6£5.95
Syringe Set£7.85
Black Nitrile Gloves£9.95
Heat Resistant Silver Duct Tape£5.95
Heavy duty Rope Ratchets Set£11.95
Titan Grip Diamond Textured Black Nitrile Gloves (Box of 50)£9.95
