Hi guys I'm in the market for a 4x6 flood and drain (ebb&flow) system, I'm after one where the flood tray sits ontop of the reservoir rather than on a actuall frame as these seem to be cheaper in other sizes. I was just wondering if anyone knew of any that were reasonably cheap as all the ones I've seen have a frame supporting the tray and the res slides right underneath and these are generally in the 1000$ range which is quite expensive to me especially seeing as I need 3. Any sujjestions would be greatly appreciated. Thanks a bunch dudes!