... capacity 2. Types of formula: (1) NPK: 8-4-8 with seaweed: 10% + organic matter: 20% + Ca, Mg, Zn, Fe ... 20% + Ca, Mg, Zn, Fe, etc. (3) NPK: 12-8-15 with seaweed: 10% + organic matter: 20% + Ca, Mg, Zn, Fe, ... + Ca, Mg, Zn, Fe, etc. (5) NPK: 10-10-10 with seaweed: 10% + organic matter: 20% + Ca, Mg, Zn, Fe, ... % + Ca, Mg, Zn, Fe, etc. (7) NPK: 10-7-15 with seaweed: 10% + organic matter: 20% + 5-8% of S + 3 ...