GLB Pool Chemicals

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17 products

GLB 5LB 1" Chlorine Tablets – Stabilized Pool Sanitizer for swimming pools
-8%
GLB 1" Chlorine Tablets – Stabilized Pool & Spa Sanitizer for swimming pools
-7%
GLB SuperSonic – 1lb Pool Shock Treatment Shocks for swimming pools
Regular price $8.95 Sale price$9.99
GLB SuperSonic – 1lb Pool Shock Treatment
Sold Out -10%
GLB Filter Rinse 71014A for swimming pools
Regular price $24.95
GLB Filter Rinse 71014A
GLB Drop n' Vac Clarifier for swimming pools
Regular price $25.95
GLB Drop n' Vac
GLB Triple Tab – 3" Stabilized Chlorine Pool Tablets for swimming pools
Regular price $193.95 Sale price$199.99
GLB Triple Tab – 3" Stabilized Chlorine Pool Tablets
Sold Out -3%
GLB Super Sonic - 5lbs for swimming pools
Regular price $46.95 Sale price$48.95
GLB Super Sonic - 5lbs
-4%
GLB pH Down 2.5LB Balancer for swimming pools
Regular price $18.95 Sale price$21.95
GLB pH Down 10 lb – Pool pH Reducer for Water Balance
Sold Out -14%
GLB Enzyme Clarifier Clarifier for swimming pools
Regular price $28.95 Sale price$39.99
GLB Enzyme Clarifier
-28%

Trusted Pool Care with GLB® Chemicals

Since 1956, GLB® has been a pioneer in swimming pool water care, providing pool owners with reliable, easy-to-use chemicals that keep water safe, clear, and beautifully balanced. Known for innovation and consistent performance, GLB® pool chemicals are designed to simplify maintenance while ensuring swimmer comfort and equipment protection.

At Benchmark Pool Supply, we proudly offer the full line of GLB pool chemicals — from sanitizers and shocks to algaecides, balancers, and specialty products. Whether you’re opening your pool for the season, maintaining weekly care, or solving water problems, GLB® has the right product for the job.


Why Choose GLB® Pool Chemicals?

  • Decades of Expertise – Over 60 years of trusted water care innovation.

  • Professional Strength – Formulas used by homeowners and service pros alike.

  • Comprehensive Line – Every category of pool chemical in one brand.

  • Easy to Use – Clear instructions and effective results.

  • Proven Reliability – Consistent performance season after season.


The GLB® Product Range

1. Sanitizers

  • Chlorine tablets and sticks to keep bacteria under control.

  • Granular chlorine for fast-dissolving daily sanitation.

2. Shock Treatments

  • GLB® Oxy-Brite® Non-Chlorine Shock – Powerful oxidizer that clears contaminants without adding chlorine.

  • Chlorine-based shocks for restoring water clarity after heavy use.

3. Algaecides

  • Preventative formulas to stop algae before it blooms.

  • Targeted algaecides for green, black, or mustard algae.

  • Long-lasting protection for clear, sparkling water.

4. Balancers

  • GLB® Alkalinity Up – Stabilizes pH by boosting alkalinity.

  • GLB® pH Up & pH Down – Keeps pH in the safe 7.2–7.6 range.

  • GLB® Calcium Hardness Up – Protects plaster, tile, and equipment from corrosion.

  • GLB® Stabilizer – Protects chlorine from sunlight degradation.

5. Specialty Chemicals

  • GLB® Clear Blue® Clarifier – Restores brilliance to cloudy water.

  • GLB® Filter Rinse – Cleans sand and cartridge filters for better efficiency.

  • GLB® Sequa-Sol® – Prevents staining and scale formation from metals.

  • GLB® Algimycin® 2000 – Multipurpose algaecide with added clarifying properties.


Benefits of GLB® Chemicals

  • Crystal-Clear Water – Formulas designed to keep water sparkling.

  • Balanced Chemistry – Protects equipment, surfaces, and swimmer comfort.

  • Convenient Application – Liquids, tablets, and powders for every need.

  • Safe & Effective – Trusted by pool owners for decades.

  • Versatile Use – Works in both traditional chlorine and saltwater pools.


When to Use GLB® Products

  • Pool Opening – Start the season right with shocks, balancers, and algaecides.

  • Weekly Maintenance – Keep water clear and balanced with regular treatments.

  • Problem Solving – Address cloudy water, algae outbreaks, or scaling issues.

  • Pool Closing – Protect water and equipment during the off-season.


Building a Routine with GLB®

  1. Sanitize Daily – Maintain chlorine with tablets or sticks.

  2. Shock Weekly – Use Oxy-Brite® or chlorine shock after heavy use or storms.

  3. Balance Chemistry – Test and adjust pH, alkalinity, and calcium.

  4. Prevent Algae – Apply algaecide weekly for a worry-free pool.

  5. Enhance Clarity – Use clarifiers and filter cleaners as needed.


Why Buy GLB® Chemicals from Benchmark Pool Supply?

  • Full Line Available – Every GLB® product in one place.

  • Trusted Source – Genuine chemicals, never knockoffs.

  • Expert Help – Our team guides you to the right products.

  • Fast Shipping Nationwide – Get supplies delivered quickly.

  • Competitive Pricing – Affordable pool care without compromise.


✅ FAQ – GLB Pool Chemicals

Q: Are GLB® chemicals safe for all pools?
A: Yes, GLB® products are compatible with plaster, vinyl, fiberglass, and saltwater pools.

Q: What is GLB® Oxy-Brite®?
A: A chlorine-free oxidizing shock that eliminates contaminants and restores sparkle without raising chlorine levels.

Q: How often should I shock with GLB® products?
A: Weekly during the swim season, plus after heavy use, storms, or cloudy water.

Q: Can I use GLB® chemicals with other brands?
A: Yes, but using a complete GLB® system ensures compatibility and best results.

Q: Do I need a stabilizer in my pool?
A: Yes, if your pool is outdoors. GLB® Stabilizer protects chlorine from UV loss.

Q: Do GLB® products help with scale and metal stains?
A: Yes. GLB® Sequa-Sol® prevents both scaling and staining from metals in water.