Description
Essentials LAB pH Up is a concentrated alkaline solution (50% potassium hydroxide) which can be used in small, controlled doses to raise the pH (decrease acidity) of nutrient solutions. Mix thoroughly and measure with a calibrated pH meter to attain the desired pH reading. Ideal for adjusting large volumes of nutrient solution.
- Highly concentrated
- Can adjust the pH of large volumes of nutrient solution
- 50% potassium hydroxide
- PH: >11.5
- Volume: 1L
How much of this will your grow actually need?
Tell us your medium, pot size and plant count. The Feed Chart Calculator builds your week‑by‑week chart with target EC, works out every bottle for the whole run, and puts them straight in your basket.

