6. OK, patch in place drain tightened down...wait and see if it holds
I might look for plastic drains...
7. Drain installed and holes cut in top for 5 inch netpots...
8. I cut a piece of Panda Plastic to fit tub-top and added 1-2 inches excess to wrap around sides and tape...
9. Use 1/2 roll width tape and tape plastic snugly to underside of tub-top...
10. Cut small pie shaped sections to open up netpot holes, trim plastic back wrap inside and tape edge of hole with 1/4 width tape...

Looks like I need to make some coffee...despite downsizing pix, it is taking a while to upload each set of pix

I was going to start from scratch on this system, but decided to be frugle and use tubs and totes that I had laying around...

My list of parts to buy; include valves for feeding and draining, pvc and, hand tightening compression fittings, t's and 90's...