75 gallon with goldfish

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jessicafennen

Aquarium Advice Regular
Joined
Apr 27, 2014
Messages
61
Location
Indiana, USA
I currently have 2 goldfish- a 5 inch 4 year old calico ryukin and a 7-8 inch 4.5 year old fantail- in a 75 gallon aquarium. They are feed peas once a week since my ryukin can have swim bladder problems. They have had problems with fin rot in the past after I had to relocate the tank, but it seems to be on the mend after trying everything. I have a Fluval 406 canister filter along with two Tetra Whisper internal 40 gallon filters. I also have a bubble wand and a fish tank ornament that pumps out air as well. The temperature is usually between 70-72 degrees Fahrenheit.

Questions:
1. Is this too much filtration? Or not enough?
2. How much water should I be changing a week? I currently change 15 gallons a week and clean all three filters once a month. Is this not enough?
3. Should I get a bottom feeder? I usually see plecos with goldies but how is this possible if they favor different water temperatures? Is a snail a better option, and if so, what kind?

Any other advice about goldfish would be great :)
 
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