APSA Aquarium Fertiliser Calculator

Welcome to the APSA Aquarium Fertiliser Calculator!

The APSA Aquarium Fertiliser Calculator is a comprehensive calculator designed to assist hobbyists with the fertilisation of their aquarium.

Please use it with caution and double check any results with this site or with your own mathematical calculations.

Try it out and report back any false readings or bugs to the APSA Team by visiting the forum and posting a message.

Please note: The APSA Aquarium Fertiliser Calculator is written mostly in javascript and, as such, requires a javascript enabled browser.

"ALWAYS KEEP IN MIND THAT THERE ARE SOME PEOPLE WHO ARE NOT MENTALLY CAPABLE OF DOSING DRY FERTS DIRECTLY INTO THEIR TANK AND YOU MAY BE ONE OF THEM." - Rex Grigg.

Input
What is your aquarium's volume in litres?
Please select a product and amount to use for each of the nutrient categories:
Nitrate NO3 Amount:
Phosphate PO4 Amount:
Potassium K Amount:
Calcium Ca Amount:
Magnesium Mg Amount:
Iron Fe Amount:
Results
You are adding the following to your aquarium (PPM):
Nutrient Nitrate
NO3		 Phosphate
PO4		 Potassium
K		 Calcium
Ca		 Magnesium
Mg		 Iron
Fe
Value
Target range 10-20 0.5-2.0 10-20 10-30 2-5 0.1
Common Names of Chemical Formulae
Calcium Carbonate CaCO3
Dolomite CaMG(CO3)2
Potassium Sulphate K2SO4
Potassium Chloride, Natures Choice Low Salt KCl
Monopotassium Phosphate KH2PO4
Potassium Nitrate, Saltpeter KNO3
Magnesium Carbonate, Climbing Chalk MgCO3
Magnesium Sulphate, Epsom Salts MgSO4·7H2O
Plaster of Paris, Slaked Lime, Calcium Sulphate Hemihydrate (CaSO4)2.H2O
APSA Aquarium Fertiliser Calculator V1.0 | © APSA 2009