Who Gives A Fish Forums

So I'm hoping I've posted this in the right place, sorry if I haven't - I'm new here, signed up today.

We recently got a new pair of blue rams to join our existing one, and at first, everything seemed fine. They settled in quick and looked happy. But over the last couple of days, one of them has ...

A dechlorinator's essential for removing chlorine from tap water - water companies add it to kill off viruses, but it's toxic to fish, damaging their slime coat. I strongly advise you get some dechlorinator and use it when adding new water to the tank.

A cycle's basically building up beneficial ...

What size tank are you running, and who else is in there with the rams? You using a dechlorinator when you do water changes? Was the tank cycled properly before adding the fish? Also, is there any surface agitation in the tank, and do you have an airstone in there?