Who Gives A Fish Forums

Stressed Discus can be tricky. Your params look solid, but how's the flow from your filter? Too much current can stress them out. Also, check if any tankmates are bullying them. I've got a Fluval FX4 on my 90 gallon but dialed it way down with a spray bar. They're chill now.

Thanks for the tips. I did transfer media, but flow might be too strong. Beef heart is fresh, made it two days ago. No stringy poop, and lighting's on 8 hours a day. Gonna try lowering temp and baffling the filter.

My discus hasn't eaten in three days. Water params are good, 0 ammonia, 0 nitrite, nitrate at 10 ppm. Tank is 75 gallons, temp at 86°F, pH 6.8. They're about 4 inches, tankmates are 6 cardinal tetras and 2 bristlenose plecos. Been feeding frozen bloodworms and beef heart mix. No recent changes ...