Green Coraline

I've got a ton of this stuff on my glass, too. Although, I've been told that it may not be coralline. I'm sure it's the same stuff you have. It's just about as hard to scrape off as coralline and grows in a similar fashion, but at a much faster rate. I've left the back glass on my tank untouched and the purple coralline seems to just grow on top of this green stuff over time. HTH. Lance.
 

worm

Member
what type water are you using on changes? if it's tap water you may be getting blooms. i would recommend RO water...
HTH
 

carrie1429

Active Member
I always get green coraline on my glass, I've been getting it for months now and I use RO water. The only way I get it off is by scraping it off with a razor blade. I tried using the magnet scrapers but doesn't do anything, the algea is just too hard.
 
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