pH Up and Down are buffers composed of a weak base (up) and weak acid (down) designed to correct pH imbalances in hydroponic gardens.
- pH Up when the pH tests too acidic
- pH Down when the pH tests too alkaline
- Small, root-and-substrate-friendly quantities

Advanced Grow 10 Litres (PH Perfect)
Big Bud Liquid 1 Litre
CNS17 Hydroponics Grow 19 Litres
Big Bud Powder 10 Kilograms
Big Bud Liquid 250 Millilitres 




