900 gallon custom tank material

  • We are currently upgrading MFK. thanks! -neo
So ive been doing alot of research on waterproofing methods and although alot of the methods look great i cant seem to find anything about plywood aquariums more than a few years old. Ill likely be in this house for at least 15 years and dont want to have to ever drain it to fix leaks or worse have it rot out on me. My plan so far is to PL and screw the rest of the oak plywood to the 2x4 walls. Then use max bond thixotropic epoxy on all the joints and screw holes. Then ill mix acr epoxy with acetone and do one coat over everything to let the epoxy soak into the wood. Then 1 layer fiberglass cloth and epoxy tape on all the plywood seams. Then 1 layer fiberglass cloth the entire tank. Then another layer over the corners. Then a couple coats max acr epoxy over all fiberglass surfaces then a coat or two sweet water epoxy paint. Im not using any marine grade wood in this build so its important i get no moisture in the wood. Thoughts?
 
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