Description
If your pH probe dries out, your readings drift. The Growth Technology pH Probe Refill & Storage Solution (300ml) is a potassium chloride (KCl) solution designed to keep pH electrodes hydrated, stable and performing properly.
How to Use
- Add a small amount of solution to your probe cap
- Store the probe with the tip slightly submerged
- Replace solution regularly for best results
A useful companion for the Bluelab pH PenPlus. Keep the replaceable pH probe hydrated between uses with proper KCl storage solution.
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.
