How to Use Coco Coir for Hydroponics: Pros and Cons
Stir the solution until the salts are completely dissolved. Soak the Coco Coir: Soak the coco coir in the buffering solution for at least 8-12 hours. This allows the coco coir to absorb the calcium and magnesium, which displaces the potassium and sodium that can interfere with nutrient absorption in your plants.