Would nylon netting (the kind they make minnow nets out of) make a good filter in a large sump filter? Isn't that what pot scrubbies are made out of? I would try and get small mesh netting. I want to try and cut costs and I have found large quantities for cheap. I am just looking for ideas for filtration for my 300g and I have decided on doing a stock tank sump filter. Let me hear your opinions please. (I have looked at scrubbies from the xtreme scrubbie guy but I want a LARGE amount of them and 1200 scrubbies comes out to 280 bucks so... hehe)