Bowfront - I did replace my Phosguard during the water change as well. I didn't rinse it off before I put in in. Could this be what it is? If so, should I stop the Phosegaurd? Thanks.
Thanks, berkeleyfishboi. I have had these leathers in my tank for about 1 1/2 years. I have never seen them closed for this long. That is what has me concerned. They just look closed. There is nothing pealing or sloughing off of them. Something is up. I just don't know what caused them to close...
I recently did a 10% water change on my tank as I always do once a month. I only use RO/DI water, and the cartridges are new. Ever since the water change, none my leather corals will open. It has been four days and all of them are still closed and not showing any signs of opening. One of them...
