Basic Cocco Nutrient. Dose: 1l A&B to 250l of feed water Type Indication A: Calcium Nitrate solution - Nitrogen (N) total 8%, Calcium Oxide (CaO) 11% - Specific Gravity 1.20 Kg/l B: Solution of NPK nutrients - Nitrogen (N) total 2%, Phosphoric acid anhydride (P2O5) 4%, Potassium oxide (K20) 10% - Specific Gravity 1.32 Kg/l