Question:the tanks is 10 gallons it has a 20 gallon filter a 20 to 60 air pump and i am about to get a heater
Answers:
Get a larger tank, at least a 30 for what you have. Goldfish need a lot of room. They prefer cold water, and if you have a pleco (algae eater), it wants warmer water. Most catfish (ones you'll find in a pet shop) are tropical as well.
Blackmoores are the WRONG pet to get for a tiny 10 gallon! Unless you are into torturing fish, I would return them for mollies, or get a larger tank. When I had a 29 gallon with six goldies I have TONS OF TROUBLE and had to upgrade to a 50 gallon. Blackmoores grow to at least eight inches, and I have heard of them being a footlong. Please give them room to grow, they are so cute and dont deserve a death like that. I know pet stores tell you the wrong stuff. good luck!
PS! dont get a heater for cold goldfish! Get a book and readup:)
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