Noob breeder looking for some advice

[sorraia]

Sorraia, what materials did you use for your rack? Just wondering if you've had any issues with the shelves sagging or if you have center supports between the tubs.

I used melamine, 5/8" thick (had a choice between that or 3/4", chose the 5/8" because it was cheaper, and not quite as heavy). Bottom shelf is lived with a kick plate so the bottom tub(s) aren't totally on the floor. One side is not quite as deep as the other to allow cords to be placed through the back instead of showing in front. The back of the rack is plywood to make it a tad lighter, but even so it is a HEAVY son of a gun... We put furniture movers on the bottom to make it a little easier to move into place, and in the (hopefully never) off-chance we'd have to move it another time. I put a little channel in the back of the shelf to recess the thermostat probe, attached the heat tape to the shelves, and placed window shims over the heat tape so the tubs wouldn't rub on it. The shelves are attached both to the sides and the back panel. So far so good! No problems with sagging, and heat and humidity has right on target.