The main things to worry about is icing into the coping and breaking it, and overfilling freezing and, again, breaking stuff. But I've found some winters even when I've dropped the water level, if there's lots of fall rain and snow that melts, it fills up, and, if it's a cold winter on top of that, I'll get a foot or more of ice. What I do then is when the water/ice gets high, I slide a siphon hose between the ice and the wall--usually there's a gap in the corner, and drain into my overflow drain directly.
But don't trust an Aquador to give a perfect seal. It will probably leak. So put a Gizmo or equiv in the skimmer. Poconos likes to fill it with foam (like from a kid's Noodle) to give an water in there something to expand into without cracking the skimmer. I've sometimes just left the skimmer open so water flows to the ground, but it CAN ice up that way so you have to check it. I prefer the Gizmo route.
Bookmarks