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[APD] Re: High water evaporation in a planted aquarium
I think that one of the main reasons that large and frequent water changes
are recommended for planted tanks is that they offset dosing errors of nutrients
that are added by those who maintain high energy tanks.
Low energy tanks don't present that problem, so the need for water change is
less. Diane Walstad at one point mentions that a change every six months is
adequate under some circumstances. You might check out her book.
One problem that the heavy evaporation will cause is a gradual buildup of
minerals in your tank. The water leaves, the solids remain. Eventually this
will cause problems. Perhaps you can reduce that by covering all or part of
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