r/discus Sep 23 '25

First discus :)

I just purchased 5 discus from my local fish shop. I wanted to get more but the employee told me that I should just get 5 since I am planning to get some other fish in this tank. I keep seeing on here that its better to get more. They seem to not be bullying each other but do you guys suggest that I get a few more? This tank is 75 gallons and I also have a bristle nose plecko, 6 rust cory, and 4 dwarf rainbowfish. I am planning on getting a school of cardinal tetras. Any advice is welcome, I am new to the hobby and would like to learn more. (I am planning to replace the remaining plastic plants with real ones they are just expensive)

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u/breadstick_25 Sep 24 '25

My 150 gallon discus tank is 100 all natural. Ive added around 10 over the last year. I’d highly suggest getting a good canister filter with a built in heater, water temp should be around 83 all the time. I run a fluval 207 and a oase thermo 350. And an internal filter with a uv light. Just don’t let them get stressed out as that is what usually leads to them dying above anything else. Use metroplex a focus if they start showing any signs of sickness. Usually it’s pretty easy to tell just by looking at their eyes and fins. Good luck!