Every town has swimming pool/spa stores, but they are usually small shops located in out-of-the-way places. So if you don't own a pool or hot tub, they are the kind of place you'd never notice! Check your local yellow pages.
Now that I think about it, Minnesota may not have a lot of swimming pools (besides the indoor commercial-scale ones). But I'm sure you have spa/hot tub stores, and you can call and ask if they carry pool filter sand.
It’s very dry in Colorado. I make sure to spritz every night so while I’m sleeping. I have a nifty hydrometer that I got from Walmart. It tells me blue, green, red; too little humid, good, too much respectively. It’s been helpful to me.
Hey y'all, recently my juvenile axolotl's tail has been floating and can swim down but his tail lifts to an angle and I believe that it is stressing him out. He gets in between his plants to balance himself and I am cleaning out the bottom of the tank with my baster. I believe I overfed him and he also may have eaten many air bubbles. He's been like this for nearly 1 1/2 days.