General hardness in the amount of minerals in the water. Some fish require a lot of minerals in the water. For example African cichlids like very high mineral content whereas some other fish such as discus don’t like many minerals in the water especially salt.

To check your mineral level, which is called the General Hardness, we use a general hardness kit. Firstly add five millilitres of water to the tube. When you first put the liquid in, it turns orange and as we keep adding this liquid it will eventually change to green. What we need to do is count how many drops it takes to turn green then we multiply that by 18 to get your general hardness level.

The way you increase the general hardness in your aquarium is you add some minerals in the form of a product called water conditioner which is a blue crystal added at the rate one level teaspoon which is 5 grams per 10 litres of aquarium water.

If you can keep the general hardness around 200 or a bit over 200 parts per million for most of the average tropical fish they will be a lot happier, healthier. Also Water Conditioner is a natural remedy against illness.

Visit Waterlife Aquarium in Hoppers Crossing for all your aquarium requirements.

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Waterlife Aquarium
2 Shaft Ct, Hoppers Crossing
Melbourne 3029
Phone: (03) 8360 8880 or 1300 MY FISH
Email: hoppers@waterlifeaquarium.com.au
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