After seeing lots of great water table fluid management solutions on here, this is what I came up with. Its a cheap sump basin ($25) that you can get at lowes or home depot and it holds the perfect amount of fluid.
I used the cross fire to cut a lid out for it. The lid has all the ports cut out for piping and also holds a threaded rod down the middle into the basin. The threaded rod has plates mounted to it, that hold a pump to pump the water into the table, and also a small fish pump to circulate the fluid through a filter. I use Greecut fluid and it needs to be circulated every so often. So I plan on putting an automated timer on that pump so I dont have to worry about the fluid going bad.
The threaded rod allows me to adjust where the pumps sit in the basin. So after draining the table, the fine particles should fall to the bottom and collect there. Having the pump sit on a bracket elevated off the bottom should eliminate it sucking in those fine particles.
When you turn the pump on, it pumps through the lid into a check valve and up into the table. When you want to empty, you pull the handle on the blade valve and everything drains back in. The flex hoses off the side are attached using banjo fittings so they can be quickly disconnected to service the tank.
You will need to raise the whole table up 3-4 inches in order for everything to clear. Right now its sitting on wood blocks but I plan on putting casters on the bottom.
It just so happens the hoses coming off the side, line up perfectly with the drains in each side of the pain. So I may use an elbow and shorten the hoses so they go straight to the drain. Not 100% sure im going to yet though. The extra length allows me to slide out the tub.