 鲜花( 0)  鸡蛋( 0)
|
It might be ick, an infection of the parasite Ichtyopthirius.; f3 a1 t7 \, c3 r0 ]
. S' P% ]- `( U. v& z, q2 N) P! b
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.
5 g0 y+ s2 K% ^" z
/ I7 F2 X$ k- H7 A. j oIt might be hard to keep all the infected fishes, but treatment is necessary to protect uninfected ones.9 v) r& i" t0 [
: U/ M5 U# r- B BBy the way, is it necessary to have >20C for koi and goldfish? |
|