Bad ICH in my tank

aloka de silva

New Member
I have few quetions about ich.
I hava a 180 gal tank and about 20 fish
coral angel, flame angel,blue korane angel, Dusky Angel, purple Nudibranch,
Cleaer wrasse, 2 moorish idols, pink anthia, sail fin tang, 2 yelow tangs, lion fish. gold stripe maroon , white srtipe maroon, 2domino damsels , 2 blue reef chromis, long nose butterfly, pearscale butterfly.
Also 2 sand shifting starfish , snales , Cucumber,few animonies.
all my fish has the white spots all over. I am feeding them with garlic soaked brine shrimp (frozen)
just noticeed white spots this afternoon.
Tank is 78 F and 0 nitrate, .25 Nitrite, .15 Amonia. Ph is 8.2.
Q: 1 Is it ok to use formalin 3 to cure Ich.
is it ok to put formalin 3 to the main tank witout taking animonies out.
or how do you catch all the fish and QT them. Please help
Thanks
 
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