OrganizedChaos69
Fish Fanatic
- Joined
- May 25, 2007
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well a good idea actually would be to bring the one tanks ph slowly down to 7.0 and the old ones up to 7.0 slowly. Since there are now fish in both. This is a nice happy medium and it reduces any chance of stress and gets the job done. I would never ever use rainwater. It ofton contain flouro carbons and other deadly carbon compounds from factories and smog. Unless of course you live no where near cities. Otherwise stick with a ph decreaser and increaser.