Am I calculating wrong here? this is what I dose
1 week (4 week, or 28 doses)
Nitrate (NO3) 20ppm per week, KNO3 --- 1,85ml (7,4 ml)
Phosphate (PO4) 3ppm per week KH2PO4 --- 0,3 (1,2 ml)
Potassium (K) 30ppm per week, K2SO4 --- 1,87 (7,48 ml)
Magnesium (Mg) 10ppm per week, MgSO4 --- 2,35 (9,4...