Re: Live Rock - Soft/Crumbling patches
#5
you need to check Ca and KH really...do you have any crabs?
Some small critters that I had join me with the live rock (hairy crabs especially) love chomping on my LR...it hasn't been too bad but the one did make a chunk fall off...in my opinion I am happy with this as I can always add another LR piece in a years time etc and I do enjoy watching the little critters...
if your calcium is low then it will effect your LR and as Eagle said could dissolve or be far more easily damaged by the algae and crabs etc..
Get the parameters right and enjoy but my approach is that LR/reef in its natural environment changes and I welcome that in my tank :)
Spheon
Fluval Vicenza 260L/55Gal Marine with Aquaworld MT50 quarantine Nano tank