Who Gives A Fish Forums

How long has this been going on? If it's just a day or two, they might be adjusting to something. But if it's been weeks, I'd start looking deeper. Have you tried fasting them for a day? Sometimes overfeeding can make them sluggish.

Dude, blackout for a couple days. Cover the tank, no light at all. It's sketchy but works. Just keep an eye on the fish and do a big water change after. Also, check your phosphate levels, they're sneaky algae boosters.


I'd be careful with blackouts, discus can stress easily. Maybe try reducing ...

I'm also fairly new to keeping duncans, and I've got mine in a similar setup - moderate flow area and mid to high up in the tank.

I've recently set up a new 620T 130L tank and transferred my plants, fish, and established Eheim 2213 filter from my old 56L tank 5 days ago. I opted for a base of Aquasoil from Maidenhead Aquatics, topped with my old gravel, hoping to boost plant growth. However, disaster struck - after just 3 days ...