St. Cyr Stabilized Chlorinating 3" Giant Tabs (4lbs)
St. Cyr Stabilized Chlorinating 3" Giant Tabs (4 lbs) are slow-dissolving, stabilized chlorine tablets made with 99% pure trichloro-s-triazinetrione (trichlor) for powerful, long-lasting pool and spa sanitation. Each 3-inch tablet provides up to 90% available chlorine, is stabilized with cyanuric acid to reduce UV breakdown, and is designed for use in floaters, feeders, and skimmers for continuous disinfection.
Product Highlights
- 3-inch, slow-dissolving stabilized chlorine tablets
- 99% pure trichlor formula for maximum sanitation
- Delivers 90% available chlorine, ideal for killing bacteria and controlling algae
- Stabilized against UV rays for longer-lasting chlorine effectiveness
- Suitable for all pool types, including in-ground and above-ground pools
- Compatible with floaters, automatic feeders, or skimmers for precise dosage
- Weight: 4 lbs per package
Usage & Application
- Add to floater, feeder, or skimmer according to pool size and chlorine demand
- Typically 1–3 tablets per 10,000 gallons weekly, but adjust as needed based on test kit readings
- Maintain free chlorine levels between 1–4 ppm for safe swimming
- Store tablets dry, tightly sealed, away from heat or open flames
- Do not mix with other chemicals; use only in recommended dispensers
Recommended for: Pool and spa owners needing effective, economical, long-lasting protection against bacteria and algae with minimal chemical waste and UV loss. These tablets are best used in floaters or feeders, not added directly to pool water or mixed with other sanitizing agents.