On the media rack, the bottom egg crate is just superglued to the sides. The middle and top are sitting on little tabs that I cut and glued to the sides. That way I can remove them to replace my media. On the fuge rack, it is just glued directly to the acrylic side pieces. The fuge is super easy, cut 2 4x13.5 pieces of acrylic, 2 2x3 1/8 pieces and a 4x3 1/8 piece of egg crate. Glue the egg rate about 2" up from the bottom and the 2 2x3 1/8 pieces about 3" down from the top. On the media rack, you'll cut a 13.5x3.250, a 12.750x3.250, 2 12x3 3/8. Then your egg crate pieces and your tabs for the shelves. You'll have plenty of scrap to make the shelves. I used superglue because it sets fast. The 13.5x3.250 piece is for the side touching the inflow from chamber 1, then your 12.750x3.250 piece directly across from that and your other two pieces as your sides. Make sure they all sit flat on the bottom EXCEPT the 12.750x3.250 piece. It needs to be raised about 1.5-2" off the bottom, that is where your water will flow out and over through the fuge. Your bottom eggcrate shelf needs to sit above that opening. Just use The mediabasket.com website pics of theirs for reference. The egg crate is in the industrial lighting section at lowes. And the acrylic is where the screen doors are. They carry a very cheap blue handle acrylic cutter, get it. When cutting, use a straight edge and score the acrylic with the cutter along the straight edge a few times. Then put the scored line against an edge and push on both sides for a clean straight break. Tweak to your likeing. Hope this helps. Let me know if you have any questions and let us know how it goes
Mike Hayes