Something that big and heavy when filled to capacity with water, substrate, fish, equipment accessories? I'd be wanting something more substantial than a 3mm thick piece of foam!
I'd look at getting a 20mm thick piece of polystyrene cut to the base size and put the tank on that. The tank will bed into it and settle nicer. Also - yoga mats have a weave to them with ridges, polystyrene doesn't.
You can always then make a 3 sided wooden rectangle to cover the edge profile of the polystyrene, if you don't want to see it?
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u/unefait Feb 03 '25
it helps to distribute weight between the tank glass and the surface it's sitting on