Pool & Spa Water Testing Kits

Pool and spa water testing kits allow you to accurately monitor chemical levels such as chlorine, pH, alkalinity, and stabilizer. Regular testing helps maintain balanced water and ensures effective sanitation. Browse our pool and spa testing kits to maintain clear, properly balanced water.

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14 products

AquaChek 4-in-1 Pool & Spa Test Strips by HACH for accurate pool chemical testing
Taylor R-0002-C DPD Chlorine Reagent by Taylor Water Technologies for pool chemical testing
Regular price $11.95 Sale price$13.53
Taylor R-0002-C DPD Chlorine Reagent
-12%
Taylor R-0013-G Cyanuric Acid Reagent – 1 Gallon by Taylor Water Technologies for pool use
Regular price $46.90 Sale price$62.50
Taylor R-0013-G Cyanuric Acid Reagent – 1 Gallon
Sold Out -25%
Taylor R-0013-C Cyanuric Acid Reagent – 2 oz bottle from Taylor Water Technologies pool supplies
Regular price $6.15 Sale price$13.99
Taylor R-0013-C Cyanuric Acid Reagent – 2 oz
Sold Out -56%
Taylor R-0008-C Total Alkalinity Indicator 2 oz by Taylor Water Technologies pool testing solution
Regular price $7.95 Sale price$9.99
Taylor R-0008-C Total Alkalinity Indicator 2 oz
-20%
Taylor R-0006-A Base Demand Reagent 2000 Series by Taylor Water Technologies pool testing chemical
Regular price $4.95 Sale price$15.99
Taylor R-0006-A Base Demand Reagent 2000 Series
-69%
Taylor R-0004-C pH Indicator Solution by Taylor Water Technologies for pool water testing
Regular price $7.95 Sale price$13.53
Taylor R-0004-C pH Indicator Solution
-41%
Taylor R-0005-A Acid Demand Reagent – 0.75 oz by Taylor Water Technologies for pools
Regular price $4.95 Sale price$10.50
Taylor R-0005-A Acid Demand Reagent – 0.75 oz
Sold Out -53%
Insta-TEST Cyanuric Acid Test Strips by Benchmark Pool Supply for accurate pool chemical testing
Taylor Phosphate Test Kit by Taylor Water Technologies with reagents and test comparator cards
Regular price $59.95
Taylor Phosphate Test Kit
HACH AquaChek High Range Phosphate Test Strips 275150E for pool water quality testing
Regular price $12.95 Sale price$25.15
AquaChek High Range Phosphate Test Strips 275150E
Sold Out -49%
Sirona Simply Spa Water Test Strips by Solenis for pool chemical testing at Benchmark Pool Supply
Regular price $19.94 Sale price$20.99
Sirona Simply Spa Water Test Strips
Sold Out -5%
Sirona Spa Test Strips for Chlorine & Bromine by Solenis genuine OEM pool supply parts
Regular price $13.64 Sale price$14.69
Sirona Spa Test Strips for Chlorine & Bromine
Sold Out -7%

Keep Your Pool Water Safe, Clear, and Balanced

Accurate water testing is the foundation of proper pool and spa maintenance. At Benchmark Pool Supply, we offer a full range of professional-grade pool and spa water testing kits, digital meters, and test strips designed to help you maintain ideal chemical balance. Whether you’re managing a backyard pool or a commercial facility, consistent testing ensures clean, safe, and comfortable water for every swimmer.

Why Regular Water Testing Matters

Your pool’s water chemistry changes constantly — from sunlight, rain, bather load, and chemical treatments. Without regular testing, imbalances can lead to problems like cloudy water, algae growth, corrosion, or scale buildup. Reliable testing allows you to:

  • Detect pH and chlorine issues before they become costly

  • Maintain swimmer comfort by keeping water properly balanced

  • Extend the lifespan of equipment and pool finishes

  • Ensure sanitizer efficiency for safe, bacteria-free water

Our Water Testing Products

Explore our selection of pool water testing solutions for every level of expertise:

  • Complete Test Kits: Professional drop kits for chlorine, bromine, pH, alkalinity, calcium hardness, and cyanuric acid.

  • Digital Testers & Meters: Quick, accurate readings for both residential and commercial pools.

  • Test Strips: Convenient, fast results — ideal for daily testing and quick checks.

  • Replacement Reagents: Refill your kits with high-quality, long-lasting testing chemicals.

Each product we offer is trusted by pool professionals and designed for precise, repeatable results — ensuring your water stays crystal clear and perfectly balanced.

Expert Tips for Accurate Pool Water Testing

  • Test frequently: At least twice per week during swim season.

  • Use fresh reagents: Expired chemicals can lead to false readings.

  • Record results: Track changes to detect trends and prevent surprises.

  • Store properly: Keep kits out of direct sunlight and extreme temperatures.

For advanced water analysis or troubleshooting complex issues, visit us in-store in Clovis or Fresno — our pool experts can test your water and help interpret the results.


Frequently Asked Questions

How often should I test my pool water?

You should test your pool water at least two to three times per week during swim season. Regular testing helps maintain correct chlorine, pH, and alkalinity levels, keeping your water clean and safe.

What’s the best type of pool water test kit?

For most pool owners, a liquid drop test kit offers the best accuracy. However, digital testers and test strips are great for quick checks or everyday use, depending on your needs.

Can I use pool test strips for a spa or hot tub?

Yes — most test strips and digital meters work for both pools and spas. Just make sure your kit measures sanitizer and pH levels within spa temperature ranges.

What do I do if my test results are off?

If your test shows unbalanced chemistry, adjust your pool water using pH increasers, alkalinity balancers, or chlorine stabilizers as needed. Benchmark Pool Supply’s team can help you identify exactly what to add and how much.

Where can I get my pool water professionally tested?

Bring a sample to Benchmark Pool Supply in Clovis or Fresno for a free in-store water analysis. We’ll test it with advanced digital equipment and provide a customized treatment plan.