[MILLS] CalMag - 1L

Calmag is a high quality magnesium and calcium additive. Calmag is mainly used when your is osmosée. Despite the fact that Basis Mills A&B contains on average more calcium and calmag magnesium allows additional addition.
Magnesium is necessary for chlorophyll and therefore photosynthesis. Calcium is decisive for the degree of acidity and therefore the absorption of nutrients. When you use a osmosis filter A deficiency may appear like chlorosis (yellowing of the leaf between the ribs) or a flagrant growth delay.
Calmag stabilizes the pH of water and substrate.