 KKBJ.com. It's every day made better at Hot Spring Hot Tubs in northern Minnesota. Summer savings are here. For a limited time, get into a new hot tub sauna or pool table and save up to $1,500 and get low 6.9% financing as well. Our new salt water tubs tell you what to add to your water so you can get rid of those annoying test strips. Come see us at Hot Spring Hot Tubs in northern Minnesota. Look for a big duck. Cross from Target in Bemidji.