mushroom corals

[p2roy]

my mushrooms have after 8 months started to raise up on their stems and my leather coral seems to br a bit dejected and not as frull as usual
also the coraline algae is dying off on the back glass
any ideas as to reasons and cures

[maestro]

Hello

Raising up Is usually through lack of light, have you moved them recently?

Re the coraline, have you checked your calcium, magnesium and alakalinity recently?

[muzzy]

check params as stated, coraline turning white is a sign of low dkh