Pool Chemicals | Chlorine, Shock & Pool Water Care

Pool chemicals are essential for maintaining clean, balanced, and safe swimming pool water. This collection includes sanitizers, shock treatments, algaecides, clarifiers, and water balancing products used to maintain proper water chemistry. Browse our pool chemicals to keep your water clear, sanitized, and ready for swimming.

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79 products

HASA Muriatic Acid 4 Gallon Case 31.45% Pool Strength for genuine OEM pool parts maintenance
Poolife 22405 TurboShock Cal-Hypo Pool Shock 1 lb genuine OEM pool chemical treatment
Regular price $8.95 Sale price$10.99
Poolife 22405 TurboShock Cal-Hypo Pool Shock 1 lb
-19%
Poolife TurboShock Cal-Hypo Pool Shock 5 lb bag for genuine OEM pool chemical treatment
Regular price $44.95 Sale price$48.95
Poolife TurboShock Cal-Hypo Pool Shock 5 lb
-8%
Clearview 3" Jumbo Chlorine Tablets 25 lb Bucket by OREQ CORPORATION for pool sanitation
Regular price $119.95 Sale price$129.95
Clearview 3" Jumbo Chlorine Tablets 25 lb Bucket
-8%
Poolife AlgaeKill Extreme Fast-Acting Algaecide 1 qt genuine OEM pool chemical part
Regular price $36.95 Sale price$37.99
Poolife AlgaeKill Extreme Fast-Acting Algaecide 1 qt
-3%
Poolife Stabilizer Cyanuric Acid Conditioner 4 lb bag for genuine OEM pool chemical care
Regular price $22.95 Sale price$25.99
Poolife Stabilizer Cyanuric Acid Conditioner 4 lb
-12%
Dicalite 10 lb DE Pool Filter Powder genuine OEM pool filter powder for swimming pools
Regular price $18.92 Sale price$27.99
Dicalite DE Pool Filter Powder 10 lb
-32%
GLB Dichlor Pool Shock 1 lb – Stabilized Chlorine granular pool chemical from Benchmark Pool Supply
Regular price $8.95 Sale price$12.99
GLB Dichlor Pool Shock 1 lb – Stabilized Chlorine
-31%
Clearview 3" Jumbo Chlorine Tablets 25 lb Bucket by OREQ CORPORATION for pool sanitation
Regular price $189.95 Sale price$279.95
Clearview 3" Jumbo Chlorine Tablets – 50 lb Bucket
-32%
Poolife Gold Medal Clarifier for Clear Pool Water 1 qt bottle from Benchmark Pool Supply
Regular price $22.99 Sale price$25.99
Poolife Gold Medal Clarifier for Clear Pool Water 1 qt
-12%
Poolife Alkalinity Plus 10 lb Total Alkalinity Increaser pool chemical for water balance
-31%
Poolife TurboBlu Clarifier for Cloudy Pool Water 1 qt for genuine OEM pool maintenance
Regular price $20.95 Sale price$21.99
Poolife TurboBlu Clarifier for Cloudy Pool Water 1 qt
-5%

Everything You Need for Clear, Safe, and Balanced Pool Water

The secret to a clean, sparkling pool isn’t just about good equipment — it’s about maintaining the right water chemistry. Pool chemicals keep your water safe, balanced, and comfortable for swimmers while protecting your pool surfaces and equipment from damage.

At Benchmark Pool Supply, our Pool Chemicals collection includes everything you need: sanitizers, shocks, balancers, algaecides, clarifiers, and specialty treatments. Whether you’re maintaining daily chlorine levels or troubleshooting cloudy water, we make it easy to find the right product for every situation.


Why Pool Chemicals Matter

Without proper chemical care, pools can quickly become uninviting and unsafe. Common issues from poor water balance include:

  • Algae Growth – Turns water green and slippery.

  • Cloudy Water – Caused by poor sanitizer performance and debris.

  • Scaling & Corrosion – Imbalanced water damages plaster, tile, and equipment.

  • Skin & Eye Irritation – Caused by unbalanced pH and chloramines.

Pool chemicals prevent these problems, ensuring crystal-clear water that’s safe for family and guests.


Categories of Pool Chemicals

1. Sanitizers

  • Chlorine tablets, sticks, and granular chlorine for daily sanitation.

  • Bromine options for spas and hot tubs.

2. Shock Treatments

  • Cal-hypo and dichlor chlorine shocks for powerful cleaning.

  • Multi-purpose shocks that sanitize, clarify, and prevent algae.

  • Chlorine-free shocks for quick swim times and indoor pools.

3. Balancers

  • pH Increaser and Reducer to keep water in the safe 7.2–7.6 range.

  • Alkalinity increasers to stabilize pH.

  • Calcium hardness increasers to protect surfaces and equipment.

  • Stabilizers (CYA) to protect chlorine from UV loss.

4. Algaecides

  • Preventative formulas for weekly use.

  • Strong treatments for green, black, and mustard algae.

5. Clarifiers & Specialty Chemicals

  • Clarifiers to restore brilliance to cloudy water.

  • Filter cleaners to improve circulation and performance.

  • Metal control products to prevent stains and scale.

  • Enzyme-based cleaners to break down oils and lotions.


Benefits of Using Pool Chemicals Regularly

  • Clear Water – Always swim in sparkling, inviting conditions.

  • Swimmer Safety – Kills bacteria and prevents harmful contaminants.

  • Comfort – Balanced chemistry reduces irritation to skin and eyes.

  • Protection – Prevents long-term damage to plaster, tile, liners, and equipment.

  • Efficiency – Maximizes chlorine effectiveness and reduces chemical waste.


When to Use Pool Chemicals

  • Opening Season – Balance water, shock, and add algaecide at startup.

  • Weekly Maintenance – Test and adjust sanitizer, pH, and alkalinity.

  • After Heavy Use or Storms – Restore sanitizer and shock to eliminate contaminants.

  • Closing Season – Balance water and add closing treatments to protect through winter.

  • Problem Solving – Use specialty chemicals for cloudy water, algae, or staining.


A Simple Routine for Pool Owners

  1. Test Water 2–3 Times Weekly – Stay ahead of imbalances.

  2. Sanitize Daily or Weekly – Keep chlorine steady with tablets or sticks.

  3. Shock Weekly – Remove chloramines and restore sparkle.

  4. Balance pH & Alkalinity – Prevent scaling, corrosion, and irritation.

  5. Add Algaecide – Weekly preventative treatment keeps water clear.

  6. Use Specialty Products as Needed – Handle metals, stains, or cloudy water quickly.


Why Buy Pool Chemicals from Benchmark Pool Supply?

  • Complete Selection – Every chemical you need in one place.

  • Top Brands – Poolife®, GLB®, and other trusted names.

  • Expert Advice – Our team helps you select the right treatments.

  • Competitive Pricing – Affordable products for long-term care.

  • Nationwide Shipping – Get pool supplies delivered to your door.


✅ FAQ – Pool Chemicals

Q: How often should I test my pool water?
A: At least 2–3 times per week, and always after storms or heavy pool use.

Q: What’s the difference between shock and chlorine tablets?
A: Tablets provide steady daily sanitization, while shock gives a powerful boost to eliminate buildup.

Q: Can I use pool chemicals with a saltwater system?
A: Yes, saltwater pools still require shocks, balancers, and algaecides for full water care.

Q: Do I need to use algaecide if my pool looks clear?
A: Yes, weekly algaecide prevents outbreaks before they start.

Q: Are chlorine-free shocks effective?
A: Yes, they oxidize contaminants and clear water without raising chlorine levels, and swimmers can re-enter the pool faster.

Q: Do I need to use stabilizer in my pool?
A: If your pool is outdoors, stabilizer protects chlorine from UV loss, saving money and extending effectiveness.

 

Maintain balanced water with Pool Equipment for optimal circulation, and use Floating Chlorinators and Test Kits for easy upkeep. For deeper cleaning, explore Robotic Cleaners and Cleaner Parts.