Our review
Intex PureSpa Greystone Deluxe Review 2026: Hard Water Pick
Sep 27, 2026
In this intex purespa greystone deluxe review, the Intex PureSpa Greystone Deluxe is the tub to pick if your tap water runs hard. It ranks #8 of 9 in our inflatable hot tub roundup and carries the label "best for hard water areas" because of a built-in hard water treatment system that reduces mineral buildup. The numbers: $799.99, the highest price in the group, a 3.5-star average from 1,122 Amazon ratings, 6 seats, 170 air jets, and a square 77 by 77 by 28 inch frame. It suits owners in hard water regions who value a 1-year limited warranty, and it is not the tub for shoppers chasing the best score per dollar.
Day to day, the Intex PureSpa Greystone Deluxe runs on 120-volt corded electric power and pushes heated air bubbles through 170 air jets, the highest jet count in this roundup. Fiber-Tech beam construction keeps the polyvinyl chloride walls firm, which matters on a 6-seat spa that measures 77 inches long, 77 inches wide, and 28 inches high. Meanwhile, the high-density thermal-resistant foam cover locks in heat and limits loss, a detail that counts because inflatable spas cool quickly between soaks. Maintenance is simple too: the integrated control box takes S1 cartridge filters, and two come in the box. At 130.5 pounds, the empty spa is light enough for two adults to reposition, and the two included headrests plus the LED light make evening soaks comfortable.
On value, the Intex PureSpa Greystone Deluxe asks $799.99, more than any other inflatable hot tub in our guide, and its 3.5-star average from 1,122 Amazon ratings is the lowest of the nine. That said, no rival here treats hard water at all, so if calcium and lime are scaling your fixtures, this is the only tub that attacks the problem at the source and can extend spa life. Even so, shoppers who do not fight hard water get higher scores for less money elsewhere in the roundup. Buy it if you want 6 seats, 170 jets, two headrests, an LED light, and a square footprint that tucks into a corner patio. If your water is already soft, skip it and save the money.









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