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Aquarium Advice FINatic
Have two GBR In my 20 gallon along with 10 rasboras and a nerite/assassin snail.
Now I know GBR need pristine water conditions so my question is, can I use a mix of RO water and tap water, or just tap water, or just RO water?
Now I know GBR need pristine water conditions so my question is, can I use a mix of RO water and tap water, or just tap water, or just RO water?