Yeah, they seem to do fine in the warmer water. I sold some plants from that tank when it was "at least" 78 in the daytime - and the gal just emailed me to tell me she has "mystery fish" in her tank now! I did have to kick the tank up to 84 for two weeks to get rid of an infection - but did loose two of the female rainbows - don't know if the infection got them (never saw it on them), or if the heat did it. But we're back down to 78 and all are fine again. Funny huh?
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