4 in 1 Water Test Strips
AQUAPROBE manufactures high-precision, reliable, and fully certified water test strips designed to deliver tailored water quality analysis solutions.
4 in 1 Pool and Spa pH Test Kit 50 Strips
Highlights:
✅Model:2 in 1/3 in 1/4 in 1/5 in 1/6 in 1
✅Quantity:50 Strips/Bottle
✅Total Chlorine Test Range:0~10ppm
✅Free Chlorine Test Range:0~10ppm
✅Total Bromine,Total Alkalinity (TA),pH,Total Hardness
✅Perfect for swimming pools, hot tubs, spas, home water systems, and even industrial water testing
4-in-1 Pool and Spa pH Test Strips Kit – 50 Accurate Test Strips for Hot Tubs, Swimming Pools, and Spa Water Testing
Product Description:
Maintain crystal-clear and safe water with our 4-in-1 Pool and Spa pH Test Strips Kit. Each bottle contains 50 high-quality test strips that deliver fast, reliable results in just 17 seconds. Designed for both residential and commercial use, these test strips make it easy to monitor your pool, spa, or hot tub water by measuring four essential parameters: Total Bromine, pH, Total Alkalinity, and Total Hardness. Regular testing ensures your water stays balanced, helping to prevent health risks, skin irritation, equipment damage, and water cloudiness.
With a simple dip, wait, and compare process, these strips are user-friendly and ideal for homeowners, spa owners, and pool maintenance professionals alike.
Product Features:
4-in-1 Comprehensive Testing – Measures Total Bromine, pH, Total Alkalinity (TA), and Total Hardness for complete water quality control.
Fast & Easy to Use – Just dip the strip in water for 2 seconds, wait 15 seconds, and compare to the color chart on the bottle. Results in about 17 seconds.
Accurate and Reliable – Designed to deliver consistent, precise readings to maintain optimal water balance.
Wide Applications – Perfect for swimming pools, hot tubs, spas, home water systems, and even industrial water testing.
Long-lasting Supply – Includes 50 test strips in a sealed bottle for regular weekly testing and peace of mind.
Compact & Portable – Convenient bottle size (approx. 9.6×3.8 cm / 3.7×1.4 in) makes it easy to store or carry anywhere.


- 50 strips
- Three different bottle options styles to choose from
- You can choose OEM logo or neutral logo


Related Water Test Strips
Our Innovations
Key Features for Pool & Spa Excellence
Pool-Specific Testing
Focused on chlorine, pH, bromine, alkalinity, and other parameters vital for safe, crystal-clear water.
Multi-Parameter Flexibility
From single tests to 7-in-1 panels, tailor strips to your maintenance routine.
Spa & Hot Tub Ready
Resistant to high temperatures and formulated for accurate readings in spa environments.
Instant Insights
Color-coded results in seconds, enabling quick adjustments to prevent algae, irritation, or equipment damage.
Applications
The design of these Water Test Strips balances precision and convenience, making them suitable for a wide range of water testing scenarios, thus meeting the needs of pool, spa, and hot tub owners for comprehensive and accurate water quality monitoring.

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Humidity-resistant strips provide ±0.1 pH accuracy at 40°C, monitoring bromine and active oxygen levels in steam-rich environments.

Industrial-grade strips measure phosphate (0-10 ppm) and magnesium (0-150 ppm) with ±2% reproducibility under extreme TDS conditions.
ODM&OEM Service
AQUAPROBE offers Tailored Water Test Strips for Swimming Pools, Spas, and Hot Tubs, allowing users to customize their testing needs. Customization options include, but are not limited to:

Test Parameter Selection
Bromine, Total Alkalinity, pH, Free Chlorine, Cyanuric Acid, Total Chlorine, Salt, Copper, Total Hardness

Quantity OEM/Packaging
You can choose 50pcs, 200pcs, 750pcs, or bulk orders and paper pouches, cylindrical tubes, square boxes, or branded packaging)
Clean & Safe Pool Water
Why Choose AQUAPROBE?
Perfect for pool maintenance companies, hotels, resorts, and homeowners who demand precision, convenience, and customization in water testing.
- High Accuracy & Reliability
- Fast & Easy-to-Use
- Custom Branding Available
- Bulk Order Discounts
Why AQUAPROBE is Trusted by 5000+ Partners Worldwide
AQUAPROBE delivers high-precision, reliable, and customizable water testing solutions for pools, spas, and hot tubs. Here’s why industry leaders choose us:
In-House R&D & Manufacturing
We design and produce our test strips in-house, ensuring strict quality control from raw materials to final packaging. Our advanced formulation guarantees fast, accurate results every time.
Premium Chemical Strips
Unlike competitors who use cheaper reagents, we source high-grade chemicals for superior sensitivity and consistency. This minimizes false readings and ensures longer shelf life.
Eco-Conscious Production
We design and produce our test strips in-house, ensuring strict quality control from raw materials to final packaging. Our advanced formulation guarantees fast, accurate results every time.
ODM/OEM
Tailored Test Parameters (Bromine, Chlorine, pH, Hardness, etc.);Flexible Quantities;Custom Packaging (Pouches, tubes, boxes, or branded solutions)