hot tub pads in Southern Ontario

https://astro-wiki.win/index.php/Choosing_the_Right_Concrete_Slabs_for_Your_Garage_Pad:_What_Homeowners_Need_to_Know

If you're setting up a hot tub in Southern Ontario, you'll want a solid pad that can handle the freeze-thaw cycles. Concrete works well, but many folks are switching to reinforced plastic pads that drain easily and won't crack. Either way, making sure your pad is level and sturdy saves you from headaches down the road.