Water DPD4 2-in-1 Test Kit
AQUAPROBE manufactures high-precision, reliable, and fully certified water Test Kit Tablets designed to deliver tailored water quality analysis solutions.
Swimming Pool & Spa Water DPD4 2-in-1 Test Kit for Oxygen (O₂) and pH Testing
Highlights:
✅ Quantity: 10 tablets per strip
✅DPD4 oxygen test tablets (foil-sealed)
✅Durable round testing vial and block
✅Dual-comparator cards (O₂ and pH)
✅Comes complete in polyethylene case
Product Title: Swimming Pool & Spa Water DPD4 2-in-1 Test Kit for Oxygen (O₂) and pH Testing – Precision Water Care Made Simple
Product Description:
Achieve perfectly balanced water chemistry with the Swimming Pool & Spa Water DPD4 2-in-1 Test Kit, designed to test dissolved oxygen (O₂) and pH levels with lab-grade accuracy. Ideal for pool owners, spa operators, and aquatic facility managers, this kit combines advanced DPD4 tablet technology and phenol red pH testing to ensure water safety, clarity, and comfort. The compact, user-friendly design delivers rapid results in seconds, while foil-sealed reagents guarantee long-term reliability.
Key Features:
🔬 Dual-Parameter Testing
– DPD4 Oxygen (O₂) Test: Accurately measures dissolved oxygen levels to optimize water aeration and prevent stagnation.
– Phenol Red pH Test: Precisely monitors pH balance (6.8–8.2 range) to protect equipment and enhance swimmer comfort.
⚡ Fast & Easy Operation
– Rapid-Dissolve DPD4 Tablets: Quick-dissolving formula delivers O₂ results in under 30 seconds.
– Color-Coded Clarity: Includes a round vial test block and comparator cards for instant visual interpretation.
🔒 Reliable & Long-Lasting
– Foil-Sealed Reagents: Humidity-resistant packaging ensures 3+ years of shelf life for both DPD4 tablets and phenol red solution.
– Exclusive Compatibility: Phenol Red reagent is optimized for 2 or 3-way test kits only (not compatible with 5-way kits).
📦 Compact & Complete Kit
– Contains 10 DPD4 O₂ test tablets, 30 phenol red pH tests, a reusable testing vial, and an illustrated guide.
Applications:
🏊 Residential Pools & Spas: Maintain safe, clear water for family and guests by balancing O₂ and pH.
💧 Commercial Aquatic Facilities: Ensure compliance with health regulations in hotels, gyms, and waterparks.
🌿 Eco-Friendly Water Management: Monitor dissolved oxygen to support healthy water ecosystems in ponds or fountains.
🛁 Hot Tubs & Jacuzzis: Prevent corrosion and skin irritation with precise pH adjustments.
🚰 Water Quality Emergencies: Test stored or tap water for basic safety parameters.
Why Choose This Kit?
✅ Industry-Trusted DPD4 Technology: Preferred by professionals for accurate oxygen level analysis.
✅ Cost-Effective: Reagents last longer than liquid alternatives, reducing long-term costs.
✅ Beginner-Friendly: No technical expertise needed—simple steps for reliable results.
Package Includes:
10 DPD4 oxygen test tablets (foil-sealed)
10 phenol red pH test reagents
Durable round testing vial and block
Dual-comparator cards (O₂ and pH)
Comes complete in polyethylene case
⚠️ Note: Phenol Red reagent is designed for use with 2 or 3-way test kits only. Do not use with 5-way kits.
Take Control of Your Water Health—Order Your DPD4 2-in-1 Test Kit Now!
- Each box contains 10 tablets
- Three different bottle options styles to choose from
- You can choose OEM logo or neutral logo
Water Test Tablets for swimming pool or SPA
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)