SpaGuard® Rapid‑Dissolve Stain & Scale Tabs – 1.25 lb Metal-Free Formula – SKU 42663BIO

Q1: How often should I use these tabs?

A1: Use one tablet per 300 gallons weekly. That keeps stains and scale at bay for about 12 weeks per bottle.

Q2: Do these remove existing stains?

A2: They help prevent staining and may assist in removing mild existing stains, especially when combined with brushing.

Q3: Are they safe for all spa surfaces?

A3: Yes—designed for spas and swim spas to protect equipment and surfaces from metal-related damage.

Clean or backwash your filter before use.

Add one 1″ tablet per 300 gallons directly into filter compartment while jets are running.

Repeat weekly to prevent staining and scaling.

For existing stains, gently brush surface after tablet application.

Clean filters monthly to maintain condition.