If plecos are warm water fish and goldfish cold water, why do people always have both

KatiePie

New member
in one tank? I have 2 goldfish and 2 plecos.. well 1 pleco now. The other died because they all got ich. I'm guessing they got ich since the temp in the tank is only 70 so I raised the temp a bit and started treatment to get rid of the ich but now I'm worried the tank will be too warm for the goldfish. How come I always see people with both goldfish and plecos without any ich problems... what temp do they keep them at?
 
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