Originally Posted by Kismet95
How often and how much water should be ideally changed from a 10gal tank?
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Constant filtration removes minerals in the water and fish and plants do all their business in the water too. All this can change the water chemistry pretty quickly and none of this is good for the fish or the plants. The fish need waste free water and the plants need a steady source of minerals to stay healthy.
A 10 gallon tank requires a 50 percent water change a couple of times a week, to maintain safe and even water conditions.
The more water you change, the more dissolved chemicals are removed and the better the environment.