I'm getting quite a lot of coralline growth on the rear wall of my nano. Looks kinda dirty Should I scrape it off or leave it be?
The only negative effect I can assume is that it uses up more calcium... Are there any positives?
Also what would I use to scrape it off?
The only negative effect I can assume is that it uses up more calcium... Are there any positives?
Also what would I use to scrape it off?