 鲜花( 0)  鸡蛋( 0)
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It might be ick, an infection of the parasite Ichtyopthirius.
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2 A! J) i' f, H5 g! QYou 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.( N2 M/ I- r) Y( ]' \1 [/ G2 R
8 k6 f; w; l! c+ Q& K9 p8 T8 vIt might be hard to keep all the infected fishes, but treatment is necessary to protect uninfected ones.! W9 X1 Z) o1 Q2 o3 C& _$ F" d
F6 k0 E" ]1 d$ j9 A' ~By the way, is it necessary to have >20C for koi and goldfish? |
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