Hot Tub Alkalinity Guide
If your hot tub’s Total Alkalinity is out of balance, bacteria will quickly take over your spa. Find out how to keep it in check (and your hot tub squeaky clean).
Marquis
This certificate authenticates that Marquis Corp is a WhatSpa? Approved hot tub manufacturer for 2021. Marquis Corp was founded in 1980 and its award-winning Marquis Spas models are manufactured in Oregan in the US and are sold in the UK by a growing network of specialist dealerships. For more details about Marquis, see their full brand profile here: Marquis
To see the objective criteria that all hot tub retailers must meet in order to become WhatSpa? Approved or WhatSpa? Professional, visit the WhatSpa? Logos page.
