- Joined
- Dec 20, 2008
- Messages
- 23
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Is it possible to do to much of a water change. I have not been able to keep up on this for a little while do to so many crazy things going on lattly. But I'm back up on it now. just wondering is a 50% or more water change to much at one time. 65 gal tank, 30 gal sump. sps, lps, zoas and polys.