Ok now that you've fabricated the 'box itself, you will need to wait about 24 hrs to let it cure. You also need to fabricate the BOTTOM part of the box however you need to LEAVE THE TOP OPEN. The only hole you have is the "mouth" of the stream pump.
I also suggest you paint your wavebox black so algae won't grow inside, but it's up to you
So after killing my hand with sanding, here's what the box looks like:
Now we're ready to paint! I used Rust-O-Leum plastic paint.. but you can also use Krylon Fusion. Same difference
This thing looks so wet already!
ok it's almost 1:00am and I know the RC daily scheduled maintenance will kick in anytime now. I'm going to bed and continue posting tomorrow