Cool. i used to have one of those!
may i advise drilling a few holes in the lid so that should on of the trays throw a wobbly and flood the water goes where it should?!

Throw a wobbly....
Good advice mate.
im britsh, mate!!!!!!!!!
I thought that expression sounded so!!
Seriously, good advice. I have regretted such oversights with expensive consequences.
if its a diy stand...
or next to the tank...
or above the tank..
simples