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What would you have to do to control the hardness and softness of water in the aquarium2007-11-24 23:43:24

What would you have to do in order to control the hardness and softness of water in an aquarium?

Answers:

To increase water hardness add magnesium sulfate (which is plain epsom salt) at the rate of 1 tablespoon per 10gal per day until desired general hardness (GH) is achieved (you'll need a test kit). Magnesium sulfate won't alter your pH (sodium biocarbonate [baking soda] is used to increase pH and KH).

To lower GH, use a water source with a lower GH than your tank water's GH during each water change (i.e., RO/DI water, distilled water.or even tap if its GH is lower than the tank water's).

If your GH is within the range of 3-11dKH (or 54-197ppm) you most likely don't have a need to alter water hardness.

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There are many additives at the pet store that solve this problem.

Salt water is different from freshwater aquariums..

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I buy distilled water to fill my aquarium- It has helped keep my aquarium beautiful and crystal clear. I also have an undergravel filter and a separate over the tank filter to make sure that the impurities from feeding and fish waste are kept out of the water.

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r/o water and distilled is softer water.. they is a water softing pillow u can get from a pet store

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Depends on weather you need to raise it or lower it. Ph down is a waste of money. If you have high numbers in GH & KH, that will just shoot the ph right back up within day's to hours. So if its down you need to go then you might want to consider looking further into the types of fish you want to keep and choose accordingly.