slugs spitting stuff???

[Bob I]

Originally Posted by fresh

Bob I, after your comment, I don't know if I want to stick my hands in my tank any more lol

Scum on the water surface is very common. If you have an overflow it will get rid of it. There also surface skimming attachments for canister filters. Many people aim a powerhead at the surface to get rid of it. I have a Fluval return just under the water surface, it breaks it up too. Hope that helps.