hello all my normal purple blue mushrooms all of a sudden are shriveling and turning dark on the edges like there melting away all water parameters are good lighting is 72 watts of power compact photo period is 8 hours. idk why the are diesing they are on the bottom of my ap24 there in between a frogspawn and a hammer coral but arent touching each other are they doin something to it. thanks so much for the help.