 鲜花( 0)  鸡蛋( 0)
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It might be ick, an infection of the parasite Ichtyopthirius.( q" V) \0 D+ \6 P0 Y1 U( m" p# i
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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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, b# H, I& R( I- KIt might be hard to keep all the infected fishes, but treatment is necessary to protect uninfected ones.. y" U1 l: x% z: Z( f4 f
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By the way, is it necessary to have >20C for koi and goldfish? |
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