 鲜花( 0)  鸡蛋( 0)
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It might be ick, an infection of the parasite Ichtyopthirius. h3 Z! K8 u8 Q$ J5 U0 ?
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You can increase the water temp up to ~28C and give them drugs (basically Cu2+ ions), plus large quantity of water change. Google for further details.
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It might be hard to keep all the infected fishes, but treatment is necessary to protect uninfected ones.8 y. @) x- G* W$ |4 F
1 h, E& U. }+ j7 eBy the way, is it necessary to have >20C for koi and goldfish? |
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