What material use for mesh mod skimmer ?

[Delphinus]

Here, not the best pictures but should give you an idea.
http://canreef.com/vbulletin/showthr...&highlight=pf4

I used two layers in my Sedra 5000, which was all that would fit. Had there been more room I would have tried for 3. I tried fishing line to attach at first but my fingers weren't nimble enough for little tiny knots so I just used two zapstraps instead. Hope this helps.