Who Gives A Fish Forums

Silva wrote: ↑Fri May 02, 2025 11:18 pm Heaters are heaters, right? Just get whatever's on sale. My Discus are fine with a no-name Amazon one. Temp's at 80F, and they eat like pigs.

Hard disagree. Discus need stability, and cheap heaters can cook your tank. Lost a whole group to a malfunction once. Worth investing in quality.

I swear by the Eheim Jager 150W for my 55-gallon. It keeps temps within 0.5F of 84F, which is perfect for Discus. Pair it with an Inkbird controller for extra safety. How often are you doing water changes? That can affect stability too.

Any updates, midas? Curious if the increased water changes helped. Also, what's your water source? Tap, RO, or mixed?

I've had similar issues before. Check for any aggressive behavior from the Rams. They can get territorial, especially during breeding. My money's on nipping, not fin rot.


Rams can be sneaky with their aggression. Try observing at feeding time when they're most active. If it's nipping, you'll ...