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No more than 7' x7' square4--5 seating positions with different jet options (if my husband and I are both in I don't want to have one "good" spot and one so-so spot)Dedicated foot jetslounge is not a deal breaker but preferably with foot jetsACE system or something like it (the fewer chemicals the better)High quality spa from a solid manufacturer with a nice long warranty
I'm not sure why other people think so but that's what I was told. I'm sensitive to chemicals. It's a concern.