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Sundance is Full Foam.If I had the choice it would either be the Hot Springs or the Sundance. Both top tier Manufacturers. Pick your tub and be sure to set test it to make sure it suits your needs.
I have purchased my 3rd spa in 12 years and this time I am not leaving it behind when I move!!!It is a Master Spas Twilight Series 8.25... They also carry a number of different lines with differnt price ranges.They feature amazing lighting, features that allow you to go low chemical like there patented EcoPure filter. They also use a Hybrid Ozone system so I don't use bromine or chlorine in my spa, I hated the smell of that stuff and it took a lot of testing and upkeep! The best part is that with the biomagnetics in it patented to MasterSpas I no longer hurt from my arthritus. These are medial grade magnets much like the ones I use to be treated by at physcio... now my tub takes care of that!!!The people are ever so friendly TOO
Can't you fake it a little better than that to make it at least kind of appear like its coming from a spa owner? If ever a post looks like an infomercial its this one and I'm not just saying it because its about Master.