Aquarium volume (lt)
Solution volume (ml)
Compound Amount (gr) Suggested ammount of
nutrient in planted aquariums (ppm)
Solution Saturation Point
(gr compound / 100ml RO water)
 
MgSO4+7H2O Mg: 5-10ppm 29 gr
Adding 1ml of the above solution to the aquarium water will add --- ppm Magnesium (Mg) and --- ppm Sulfates (SO4)
KNO3 K: 10-20ppm, NO3: 10-20ppm 85 gr
Adding 1ml of the above solution to the aquarium water will add --- ppm Potassium (K) and --- ppm Nitrates (NO3)
KH2PO4 K: 10-20ppm, PO4: 10-20ppm 15 gr
Adding 1ml of the above solution to the aquarium water will add --- ppm Potassium (K) and --- ppm Phosphates (PO4)
K2HPO4 K: 10-20ppm, PO4: 10-20ppm 15 gr
Adding 1ml of the above solution to the aquarium water will add --- ppm Potassium (K) and --- ppm Phosphates (PO4)
K2SO4 K: 10-20ppm 12 gr
Adding 1ml of the above solution to the aquarium water will add --- ppm Potassium (K) and --- ppm Sulfates (SO4)
CaCl2 Ca: 10-30ppm
Adding 1ml of the above solution to the aquarium water will add --- ppm Calcium (Ca) and --- ppm Cloride (Cl2)
CaCl2+2H2O Ca: 10-30ppm
Adding 1ml of the above solution to the aquarium water will add --- ppm Calcium (Ca) and --- ppm Cloride (Cl2)

Amount of Ca2+ (ppm) Amount of Mg2+ (ppm)  
Adding --- ppm Calcium (Ca2+) and --- ppm Mg (Mg2+) will increase the GH value --- odH which is equal to --- ppm CaCO3