A major concern during freezing weather is pipes bursting. If you have a busted pipe, the first thing you need to do is shut off the water to your house and drain the pipes.
Cover all the pool PVC pipes that are exposed. You can use blankets, sweaters or anything thick. You don’t want to use anything thin. Then you’ll want to take a tarp or something plastic to protect it ...
(If you have swimming pool or sprinkler supply lines ... process outlined by the American Red Cross. Turn off main water supply valve This prevents water from flowing into the frozen pipe ...