flooring

Hello everyone. I plan on getting a 75-125 gallon aquarium later this year for my personal room, but plan on changing my floors from carpet to something else first. I was wondering what others recommend. I am looking for something that is okay with water and a large dog. Thanks

So my floor where i want to place my tank stand is quite wavy ,as in there are highs and lows . Which means the stand wouldnt be fully supported around the base. Which doesnt sound good to me. So . My idea is to place styrofoam down first. Like what people use under acrylic tanks. Then i would...