Help

[Fastfish86]

i’m new to reef aquariums. Just added my second fish yesterday and my nitrite jumped up to 25ppm I’m worry that my fish are in danger asking for help or advice

 

[BeltedCoyote]

Welcome to R2R!!!

 

[Manny’s Reef]

Nitrites are toxic to fish. You might find yourself doing frequent water changes to keep the levels down if you don't have an alternate place to put the fish. Keep us posted. We are here to help.