Magnesium sulphate

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About Magnesium sulphate[edit]

Magnesium sulphate (Epsom salts) (MgSO4) : Provides Magnesium (Mg) for feeding aquatic plants and for increasing GH levels in water.

Feeding plants[edit]

To make a typical stock solution for feeding plants add 70g (4.6 tbsp) of dry MgSO4 to 500ml (16.9 fl. oz.) of RO or distilled water and then add once a week 50ml (3.3 Tbsp.) of this solution per 100 Litres (26.4US G.) of tank.

This will give you 7ppm (7 mg/l) of Magnesium.

  • Also used in a ration of 1:3 with CaSO4 (Calcium sulphate) (1 part MgSO4:3 parts CaSO4) to make your own GH mix for a freshwater aquarium.

Treating constipation[edit]

  • Also used to treat constipated fish or fish suffering from dropsy as it is said to help fish expel excess water within their bodies.
  • Typical treatment for fish is prepare a quarantine tank and add 1 tbsp per US gallon 4 Litres (1 US G.) and immerse freshwater fish into it for 10–20 minutes up to a maximum of twice a day. Repeat this for a couple of days or until you notice the fish passing waste. For aquatic frogs leave in the water for an hour per day.

Links[edit]