11-08-2025, 09:56 AM
You'll definitely want to buffer it first. Soak the coco coir in a calmag solution overnight. This swaps the natural potassium and sodium salts for calcium and magnesium, which stabilizes the pH.
Even after buffering, keep an eye on your reservoir pH as it can tend to drift up over time.
Even after buffering, keep an eye on your reservoir pH as it can tend to drift up over time.