deposits

Hi guys Been wondering if you use any specific method to clean dead algae from the rocks after an algae bloom war has been successfully won without tearing everything apart. I just had a start of cyano outbreak combined with hair (or dino), film and bubble algae all at the same time. Took a...

I know you can get calcium deposits, if you add excess Ca or add it too quickly, but why would I be getting calcium deposits without adding anything to the tank? I'm using Reef Crystals, and have normal water quality, as far as I can tell. Can someone tell me what might be going on? Could the...