I'll try and swing by there in the morning if I can. If not, I can just set the whole tub in his tank, it's raised off the floor on a table and has 2 inches mulch in it. His tank is insulated with some of that back foam craft board on three sides too. Thanks for the quick reply. Hopefully the power will stay on, but I live in a house built in 1912...so I'm trying to be realistic