Hi all! I'm new here. We just finished our new inground pool. It is about 35 ft x 24 ft. We have all pentair equipment. We just started heating our spa and it seems that when the heater is on sometimes the water coming through is very finely aerated. Anyone have any idea what could be causing this. It only happens when the heat is on to the spa and not to the pool. The spa heats very quickly. Here's a pic and I also have a video of it. The pool is a salt pool. The jets were not on at this time. Any info would be appreciated. Thanks!