Bitter salt (Magnesium Sulphate) is well soluble in water and also suitable for foliar fertilization in case of a magnesium deficiency. Bitter salt should be dissolved in the B-tray to prevent precipitation with calcium.
Composition
MgS04.7H20
Sulphate (S03) | 32% |
Sulphur (S) | 13% |
Magnesium oxide (MgO) | 16% |
Magnesium (Mg) | 9.6% |
Application
The Bitter Salt Brink occurs from a chemical reaction and can therefore not be used in organic cultivation.