Discus tank flow for happy fish

Chat about all things related to Discus, from purchasing to breeding and everything in between. One of the most beautiful species in the hobby
JUSTICE
Posts: 7
Joined: Thu Aug 03, 2023 8:10 pm

Re: Discus tank flow for happy fish

Post by JUSTICE »

Hued wrote: Mon May 05, 2025 12:19 am Yo, my Discus hated the FX4's flow too. I slapped a pre-filter on the intake and cranked the output down. Now they vibe near the driftwood. Also, try feeding near the calm spots—they'll learn where to chill.
Pre-filters are clutch. They also reduce intake suction, which can stress fish. What's your stocking density? Overcrowding amplifies flow issues.
masterd
Posts: 3
Joined: Sun May 05, 2024 1:49 am

Re: Discus tank flow for happy fish

Post by masterd »

My Discus tank's a 55g with a cheapo HOB. Flow's low, but they still hide sometimes. Maybe my angelfish are bullying them? Got Java ferns and a basic LED light. Water's soft, pH 6.8. Should I upgrade the filter?
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Pathmaster
Posts: 6
Joined: Tue Apr 05, 2022 4:55 pm

Re: Discus tank flow for happy fish

Post by Pathmaster »

masterd wrote: Mon May 05, 2025 6:48 am My Discus tank's a 55g with a cheapo HOB. Flow's low, but they still hide sometimes. Maybe my angelfish are bullying them? Got Java ferns and a basic LED light. Water's soft, pH 6.8. Should I upgrade the filter?
Angelfish can be jerks to Discus. Try rearranging the decor to break territories. And yeah, a canister or dual sponge filters would help. What's your feeding routine?
Hued
Posts: 9
Joined: Thu Aug 03, 2023 8:36 am

Re: Discus tank flow for happy fish

Post by Hued »

Ditch the HOB, fam. Canisters are way better for Discus. I run two sponges and a small canister in my 60g. Flow's gentle but steady. Also, throw in some catappa leaves—they're like fish Xanax.
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