# Pool Chlorine Tablets ### Chlorine Tablets: Essential Daily Sanitation for Pools & Spas When it comes to pool maintenance, nothing is more important than consistent, reliable sanitation. **Chlorine tablets** are a popular choice for homeowners and professionals. They release chlorine slowly and steadily. This keeps water clear, safe, and ready for swimming. At Benchmark Pool Supply, we offer high-quality **1" and 3" stabilized chlorine tablets**. We carry trusted brands like **GLB, Poolife, and Applied Biochemists**. You can buy them in **bulk pails or smaller containers**. You can find the right option for your needs. This collection offers precise dosing for a spa. It also provides long-lasting protection for a large in-ground pool. πŸ‘‰ Browse our full line of [Pool Chemicals](/collections/pool-chemicals "Pool Shock, Sanitizer and Balancers") and pair tablets with [Shocks & Oxidizers](/collections/shocks-and-oxidizers "Pool Shock and Oxidizer") for a complete sanitation routine. * * * ## Why Chlorine Tablets Work Best Chlorine tablets offer several advantages over liquid chlorine or granular treatments: - **Slow, controlled release** keeps chlorine levels steady day after day - **Stabilized with cyanuric acid (CYA)** to prevent chlorine burn-off from sunlight - **Versatile application** in feeders, floaters, or skimmers - **Safer handling** with compact, uniform tablets - **Convenience**: fewer applications, less guesswork * * * ## Choosing Between 1" and 3" Tablets Not sure which size to buy? It depends on your pool size and equipment: - **1" Tablets** - Faster dissolving - Ideal for spas, hot tubs, and small above-ground pools - Better for feeders and floaters needing precise dosing - Popular picks: [GLB 5LB 1" Tablets](/products/glb-5lb-1-inch-chlorine-tablets "5lb 1inch GLB Chlorine Tablets"), [Poolife 1" Cleaning Tablets](/products/poolife-1-cleaning-tablets "Poolife 1\" Chlorine Tablets") - **3" Tablets** - Longer lasting (5–7 days per tablet) - Perfect for large residential and commercial pools - Compatible with feeders and skimmers - Popular picks: [GLB Triple Tab](/products/glb-triple-tab-3-inch-chlorine-tablets "Pool GLB Triple Tabs 3 in"), [Applied Biochemists 3" Tablets](/products/products-applied-biochemists-3-inch-chlorine-tablets "Applies Biochemist 3 in Chlorine Tablets") * * * ## Featured Brands at [Benchmark Pool Supply](https://benchmarkpoolsupply.com/pages/pool-supplies-fresno-clovis "Supplies Pillar Page") ### GLB A professional-grade line trusted for decades. Choose **[GLB Triple Tab](/products/glb-triple-tab-3-inch-chlorine-tablets)** for long-lasting 3" sanitation or the **[GLB 5LB 1" Tablets](/products/glb-5lb-1-inch-chlorine-tablets)** for smaller pools and spas. ### Poolife Known for convenience and consistency, **[Poolife 1" Cleaning Tablets](/products/poolife-1-cleaning-tablets)** are a favorite among spa owners and small-pool users. ### Applied Biochemists For serious chlorination needs, **[Applied Biochemists 3" Tablets](/products/products-applied-biochemists-3-inch-chlorine-tablets)** offer a strong, slow-dissolving formula. It is perfect for large pools that need a steady supply of chlorine. * * * ## Best Practices for Using Chlorine Tablets 1. Test water chemistry weekly β€” target pH 7.2–7.6, alkalinity 80–120 ppm, and stabilizer 30–50 ppm. 2. Place tablets in a **feeder, floater, or skimmer basket** (never directly on pool surfaces). 3. Maintain chlorine levels between **1–4 ppm**. 4. Add fresh tablets every 3–7 days depending on size, water temperature, and bather load. 5. Shock weekly with a **[Cal Hypo Pool Shock](/collections/shocks-and-oxidizers)** to oxidize contaminants and restore water clarity. * * * ## Internal Comparison Chart **Product** **Tablet Size** **Best For** **Dissolving Speed** **Link** GLB Triple Tab 3" Large in-ground pools, feeders/skimmers 5–7 days Shop Now GLB 5LB 1" Tablets 1" Spas, hot tubs, small above-ground pools 3–5 days Shop Now Poolife 1" Cleaning Tablets 1" Spas & floaters needing smaller tablets 3–5 days Shop Now Applied Biochemists 3" Tablets 3" Residential & commercial large pools 5–7 days Shop Now * * * ## FAQs **How many tablets should I use per week?** Use roughly **1 tablet per 10,000 gallons** of pool water each week, adjusting for sunlight, bather load, and temperature. **Do chlorine tablets raise stabilizer (CYA) levels?** Yes. Trichlor adds CYA, which protects chlorine from sunlight. Keep levels between 30–50 ppm. If they rise too high, partially drain and refill with fresh water. **What’s the difference between tablets and shock?** Tablets provide **slow, steady daily chlorination**. Shocks (like **[Cal Hypo Shock](/collections/shocks-and-oxidizers)**) are used periodically to oxidize organics and kill algae. **Can I use chlorine tablets in a spa?** Yes, but only **1" tablets** like **Poolife 1"** or **GLB 5LB 1"** should be used in spas and hot tubs. **Where should I put the tablets?** Always in a **feeder, floater, or skimmer** β€” never directly on pool surfaces, as that can cause bleaching or damage. * * * ## Shop Chlorine Tablets Today - ⭐ [GLB Triple Tab – 3" Tablets](/products/glb-triple-tab-3-inch-chlorine-tablets) - ⭐ [Applied Biochemists 3" Tablets](/products/products-applied-biochemists-3-inch-chlorine-tablets) - ⭐ GLB 5LB 1" Tablets - ⭐ [Poolife 1" Cleaning Tablets](/products/poolife-1-cleaning-tablets) Looking for other ways to balance your water? Explore **[Pool Chemicals](/collections/pool-chemicals)** and **[Shocks & Oxidizers](/collections/shocks-and-oxidizers)** to complete your maintenance routine. ## Products in this collection - [Clearview 3" Jumbo Chlorine Tablets 25 lb Bucket](https://benchmarkpoolsupply.com/products/clearview-3-inch-jumbo-chlorine-tablets-25lb) - 119.95 USD - [Clearview 3" Jumbo Chlorine Tablets – 50 lb Bucket](https://benchmarkpoolsupply.com/products/3-tabs-50) - 199.95 USD - [Poolife 1" Chlorine Tablets 5 lb Stabilized Pool Sanitizer](https://benchmarkpoolsupply.com/products/poolife-1-cleaning-tablets) - 55.99 USD - [GLB 1" Stabilized Chlorine Tablets](https://benchmarkpoolsupply.com/products/glb-1-inch-chlorine-tablets-5lb) - 55.95 USD - [Poolife MPT Extra 3" All-In-One Chlorinating Tablets](https://benchmarkpoolsupply.com/products/poolife-mpt-extra-3-chlorine-tablets) - 45.49 USD - [GLB 1" Chlorine Tablets – 5 lb Stabilized](https://benchmarkpoolsupply.com/products/glb-5lb-1-inch-chlorine-tablets) - 54.95 USD - [Poolife NST Prime Cal-Hypo Tablets 20.2 lb Bucket](https://benchmarkpoolsupply.com/products/poolife-nst-prime-tablets-20-2lbs-bucket) - 139.95 USD - [Clearview 3" Scent-Trific Chlorine Tablets – 10 lb](https://benchmarkpoolsupply.com/products/clearview-scent-trific-tabs-10lb) - 89.95 USD - [GLB Triple Tab 3" Stabilized Chlorine Tablets](https://benchmarkpoolsupply.com/products/glb-triple-tab-3-inch-chlorine-tablets) - 193.95 USD - [Applied Biochemists 3" Chlorine Tablets Stabilized](https://benchmarkpoolsupply.com/products/applied-biochemists-3-inch-chlorine-tablets) - 279.95 USD - [GLB 1" Small Tab - 2#](https://benchmarkpoolsupply.com/products/glb-1-small-tab-2) - 39.95 USD - [Clearview 3" Scent-Trific Chlorine Tablets – 5 lb](https://benchmarkpoolsupply.com/products/clearview-scent-trific-tabs-5lb) - 59.95 USD - [Leisure Time Brom Tabs 4#](https://benchmarkpoolsupply.com/products/leisure-time-brom-tabs-4) - 48.95 USD - [Leisure Time Brom Tabs 2.2bs](https://benchmarkpoolsupply.com/products/leisure-time-brom-tabs-2-2bs) - 27.95 USD - [Jumbo Tabs 3" 10lb](https://benchmarkpoolsupply.com/products/jumbo-tabs-3-10lb) - 99.95 USD - [GLB 3" Tab 8#](https://benchmarkpoolsupply.com/products/glb-3-tab-8) - 46.95 USD - [GLB 8# 1" Tablets](https://benchmarkpoolsupply.com/products/glb-8-1-tablets) - 54.95 USD --- > Source: [Benchmark Pool Supply](https://benchmarkpoolsupply.com/collections/chlorine-tablets) > Updated: 2026-07-26