how do i get rid of this?

[teen]

its kinda like a mat. i just peel it off the rock, and then cut the mat with a razor blade. i dont wear gloves when doing this, but it wouldnt hurt to wear a pair.

 

[tboy]

Originally Posted by gasman4433
As far as the bubble algae goes.When I had it I took a needle and injected boiling hot water in each one of them.It kills the spoors and they dont spread.And then just peel them off.But only after you inject them.It worked for me.Havent had any since.
couple Question
where do u buy a needle to inject?
do u have a lot on yours?
how hot of the water?