This is the screen mesh I bought from brs. Works great. I also bought some diy screen parts from Dierks here. Things like a feed door and wire cut outs for the screen spline to go threw. Previous I built a screen with an opening, using extra corners. The opening came out kind of flimsy so this next time I’m going to try Dierks 3D print outs! Just bought them yesterday so I’ll come back with an update when they arrive.If you need really small you can get the 1/8" holes
1/8" Clear Netting
Why does BRS recommend this? Every tank we set up at BRS we make a screen net top for. They will save you a ton of money down the line after you have a few fish jump out of your tank, and you find them on the floor. About half of reef fish will jump high enough to get out of a tank, and unless...www.bulkreefsupply.com