Any reason not to use this pvc board from Home Depot for the bottom of the tank? Description calls it a "vinyl" material that's mold and mildew resistant. Thanks.
https://www.homedepot.com/p/Veranda...Reversible-PVC-Trim-Sheet-H120XWS17/312995290
https://www.homedepot.com/p/Veranda...Reversible-PVC-Trim-Sheet-H120XWS17/312995290
