Shop Stain and Scale Products by What Your Hot Tub Needs
Stains and scale usually start with the metals and minerals already in your fill water. Browse the collection by product type to find a hot tub stain and scale remover or preventer that fits your spa routine and your water.
SpaGuard Stain and Scale Control
Shop SpaGuard Stain and Scale Control in 1 pint and 1 quart bottles. This liquid for spas and hot tubs helps keep metals and calcium from staining or scaling surfaces and equipment.
Sirona Spa Care Protect Plus & Defend
Find Sirona Spa Care Protect Plus for stain and scale protection and Sirona Spa Care Defend Scale Control for weekly spa maintenance.
SpaPure Stain & Scale Preventer
Pick up SpaPure Stain & Scale Preventer for hot tubs in the 1 pint (16 fl oz) size. It provides dedicated protection for spa surfaces against stain and scale buildup.
PristineClean & BAQUACIL Metal Control
Shop metal control products for water with dissolved metals, including PristineClean Metal Control for pools, spas and hot tubs and BAQUACIL Metal Control for preventing metal stains in pools.
SpaGuard System Flush & Soft Soak Trio Kit
Use SpaGuard System Flush to clean your spa plumbing before a water change. The SpaGuard Soft Soak Trio Spa Kit is a 3-month hot tub water softening kit.
BioGuard Pool Magnet Plus & Scale Inhibitor
Shop BioGuard Pool Magnet Plus and BioGuard Scale Inhibitor, both in 1-quart bottles, for pool owners dealing with metals and scale in their water.
Why Shop From Hot Tub Pirate?
The product matters, but so does having a reliable place to reorder it when you need it.
A Focused Stain and Scale Selection
Shop stain and scale control, metal control, system flush, and water softening products in one place instead of piecing your spa-care routine together from different stores.
Fast Shipping
In-stock orders ship within 12 business hours, while weekend orders ship Monday.
Free Shipping Over $50
Orders over $50 qualify for free shipping, making it easier to stock up on stain and scale control and other hot tub supplies.
Shop With Confidence
Every Hot Tub Pirate order comes with a 100% satisfaction guarantee.