Who Gives A Fish Forums

If you're switching to a sump, consider adding a protein skimmer too. Between that and the refugium, you'll have killer nutrient control. My SPS have never been happier since I made the switch.

Refugiums can be a game-changer, especially if you're struggling with nitrates. I run one with Chaeto in my 120-gallon, and it keeps my levels at 5 ppm or lower. What's your lighting schedule like for the fuge?


Yep, Chaeto's a beast for nutrient export. I run mine on a reverse light cycle, 12 ...

My Discus have developed holes in their heads, and I'm not sure what's causing it. The tank is 75 gallons, kept at 84°F, with a pH of 6.5. I do 30% water changes twice a week, use Seachem Prime, and feed them a mix of frozen bloodworms and pellets. The filter is a Fluval FX6, and the substrate ...

My Discus have developed holes in their heads, and I'm not sure what's causing it. The tank is 75 gallons, kept at 84°F, with a pH of 6.5. I do 30% water changes twice a week, use Seachem Prime, and feed them a mix of frozen bloodworms and pellets. The filter is a Fluval FX6, and the substrate is ...

Also, check the O-rings. If they're worn out, the filter might lose prime and shut off. Had that happen with my old canister.

My canister filter keeps shutting off at 3 AM like clockwork. It's a Fluval 407, about 6 months old. Tank is a 75g with 12 discus, 6 corydoras, and a bunch of plants. Water params are good, 0 ammonia, 0 nitrite, 10 nitrate. Anyone else dealt with this?


I'd suspect the impeller first. Gunk ...

How's the lighting? Bright lights can stress Discus, make 'em skittish and prone to damage. I run mine on a dimmer schedule, mostly mid-day peaks.

How's their appetite? Stressed or sick Discus often go off food. If they're eating well, that's a good sign it's not serious. Also, any redness or inflammation at the base of the fins?

Re: Will BB with 80% WC 3x/wk stunt 3 inchers?

Originally posted by Finny

To put it simple, and that is the way my mind works, Discus love WCs.
I kept them in the 70s and they are no different these days.
The more WCs you do, the happier they are.

Do you have to change the water every day? No ...