Mr. Greengenes
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- Joined
- Sep 27, 2010
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Good point Seamaiden on the lake cichlids. They're well adapted to extremely hard water and should thrive better than goldfish in a res. Tilapia are tough cichlids too, they ought to work well. Goldfish are very uncomfortable at temps above 80F, but cichlids and catfish can thrive at high temps, so they're probably better choices. But, wait. Come to think of it, (plants growing in) water culture systems can have problems with lack of O2 at higher temps, too. Maybe goldfish or koi in a cooler system would be better?