Poly tank in cold climate

Hi all

I'm looking around for a good sized poly tank to use for rain catchment. I want at least 5000 Litres to use for gardening and animal water. I'm wondering if anyone knows how well they hold up to the cold and snow that we can get. It will of course be drained in the fall and left empty over winter to refill with the spring rains.

Anyone use these and how do they work for you?

If you drain them, they are fine. They survive North Dakota just fine. If you drain it, you need to tie it down if you get ANY wind.

UV is what kills them, so paint them or cover them with a tarp if it isn't in the shade.

UV eh? I think I can manage a tarp and if they work out well I'll build a simple shed-ish thing to protect it from the elements and prolong its life.

Thanks for the tips