Hey guys! Just purchased my home a few months ago and haven't been able to swim yet cause the water temp is too cold. Its been at 65 degrees. The gas pool heater operates but drinks propane like I never seen before. So $800 in propane and now its 95 degrees outside, the water is staying at 70 degrees. Still too cold for my standards. The pool room is built with sliding glass doors surrounding the pool which I have been leaving open due to the warmer temps outside. The pool is approx. 15ft X 40ft and 9ft deep at the deepest part. Any suggestions? I'm thinking about getting a solar panel heater system. What are your thoughts?