Quote:
Originally Posted by Aquattro
My first thought was the same. These come with a metal attachment, but I tried it without first and found that it works well. Will it scrape off thicker coralline? Probably not. But for daily cleaning of film algae and heavier algae, it works great. Even slight coralline build up comes off easily.
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Ya, I suppose it's a nice option for "daily" use.