Hey guys, new to the pool ownership game, and going through our first hard freeze with our in-ground pools/spa. We have thermal mode and it has successfully been engaging. When I went to bed the water was flowing from the spa over into the main pool like normal. This morning though the spa was frozen. Our pump is still running and the pool vacuum was running as well. I cracked the ice on top of the spa, but is there anything else I should be doing?