Foam... don't have it when I run the clean cycle, don't have it when we are in the tub and the jets are on (hit the inside panel 3 times), but when I turn the big valve doohickey that is to the left of the lounger and it turns on the low back portion of the chair in the corner to the right of the lounger (you followin'?) massive foam. As long as that valve is off we never have foam as soon as it is on we have lots of foam. I rinsed all my filters 3 days ago. My water is clear, my levels are perfect. Any clue? The water is 58 days old so I will probably just do a water change in the next week or so. I'm just curious if anyone has ever encountered something like this.