Algae scrubbers

[Snaz]

I finished mine last week. I think best light angle would be direct head on to the mat from both side if possible. Yo do not have to seed it as your tank certainly contains a few cells of algae

Here is the utimate resource for ATS:
http://algaescrubber.net/forums/

I built an upflow version (UAS).

[mseepman]

Can you show us a few pics Snaz?