Pete, that is why some of us, I for one, are doing Mg and Ca, and using Coral. To minimise water change. If I can dose enough of those and get my ratio right and maintain a good tank with minimum water change, why not.----------------
On 7/25/2003 4:59:47 PM
If you really want the GH, just do more frequent water change and it will solve most problems...Singapore's tap is not pure RO water..don't worry
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