Quote:
Originally Posted by saganco
Hmmm, most of my tanks are in the 79-81 degree range - just because of the plant lights. The adults seem to do fine in that range, but perhaps might not be spawning (I wouldn't know because IF they were, any fry would be immediately eaten before I would see them). So, I guess I'll try the spawning mops, then keep moving them to small nursery tanks to change out every 7-10 days. I appreciate your extra help Xman!
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My tanks get up there too, at least during the summer. I wouldn't necessarily say that it's harmful to them to have the tank at 79-81, but I try not to let the adult rainbow tank get any hotter than that. I've heard that they are less susceptible to disease at 75-76 degrees and that they have better luck with spawning too, but it might not matter for your fish, I wouldn't be surprised if they spawned when the tank was at 80.