We have been using Spa Marvel for 4 months. There has never been foam or any kind of ring on the walls to wash off. I just uncover it and get in. I have not added any chemicals to the water but I do use the bromine at a low setting. So, long story short, THE STUFF...
This product is a marvel. We switched from Aquafinesse, which was an impressive improvement from bromine. To find a product we like much more than that one is amazing. We left our hot tub for 4 weeks with Spa Marvel in it that had been added 2 months before we left....
Your product is exceptional. I use it on two very different tubs with perfect results…a Hydropool at home and a Rotospa at the cottage. At home your cleanser cleaned out all of the hard water build up after 2 cleanings. Up north we no longer worry about long...
I am really enjoying the hot tub! The Spa Marvel has worked wonders. I am in the hot tub 3 to 4 times a week for about 20 minutes each. The skin issues are completely gone. I cannot tell you how much I appreciate your involvement in getting my hot tub usable again....