Calcium Sulfate (CaSO4) is a source of Calcium (Ca) an essential component of cell wall structure and plant integrity, as well as transport of other nutrients. Sulfur (S) is essential for root development.
Also used to increase General Hardness (GH)
Instructions per 100L: Add 6.50 grams into 100L tank straight after a 30-50% weekly water change *Amounts above are for reference only. Your planted aquarium may need more or less depending on many factors.