Glad someone else asked this. I thought it would be something I'd get laughed off the forum for asking so I didn't, however I've been wondering about the same thing. The jacuzzi feels great hot, but 90 plus degrees in the pool is a little warmer than I'd like. It's not the end of the world but 80 or so would be so much better.

I must say I'm really surprised at how quickly water temp swings on sunny/rainy days. We had a few gloomy days last week and the water temp went from 90 to about 72. I thought it would take longer than 2 days to cool 12k gallons of water "naturally".

The pittance this forum cost for registration is probably going to turn out to be the best money I'll spend on the pool from what I can tell so far.