subject: Arowana Fish Happiness is Easy [print this page] Potential Asian Arowana keepers often worry about exactly how to car for thier tropical fish and what risks they can avoid. They should not worry too much as Arowanas are one of the most hardworthy fish in the tropical world, even when they get to over 20 years old. Keeping the water a constant 28 degrees and well filters with a PH of around 6.5 then all should be fine. As I said Asian Arowanas are very tolerant to its surroundings as long as they are kept constant.
On thing an Arowana hates is an everchanging environment. Arowansa hate change, even changing a faulty filter can upset them, try and keep thier fish tank as stable as possible. Someting as simple as this can cause on increase in nitrates which will destablise the aquarium. As you can see, it is not necessarily the environment itself but the change that causes the problems and it could lead to a dead fish.
For instance consider a tank that has been left dirty for a few months. So the owner decides to change all the dirty water with nice new purified water. The dramatic change in environment could cause the fish to have trouble swimming and eventually die. The most damage os the change and not the new water. What should have happened is introduce the change over a number of weeks at around 15% change each time.
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