POOL Chlorine OTO Water Testing Drops (15ml)
Keep your pool water perfectly balanced with our Pool Water Liquid Test Kit!
Chlorine OTO Water Testing Drops(15ml)
Highlights:
✅Accurate Chlorine Testing – Precisely measures free chlorine levels using orthotolidine (OTO) reagent
✅Fast Results – Clear color change reaction in seconds (yellow to brown scale)
✅Long-Lasting – 15ml bottle provides ample supply for entire swimming season
✅Easy to Use – Simply add drops to water sample and compare to color chart
✅Swimline Test Kit Compatible – Works with most standard liquid test kits (test kit not included)
✅Professional Quality – Trusted by pool service technicians and homeowners alike
Product Description
Ensure your pool water stays safe, clean, and properly sanitized with our professional-grade OTO Chlorine Test Solution. This easy-to-use liquid reagent quickly measures free chlorine levels in your pool or spa, helping you maintain the ideal 1-3 ppm range for healthy swimming conditions. Each 15ml bottle provides hundreds of accurate tests when used with standard pool test kits.
Key Features
✔ Accurate Chlorine Testing – Precisely measures free chlorine levels using orthotolidine (OTO) reagent
✔ Fast Results – Clear color change reaction in seconds (yellow to brown scale)
✔ Long-Lasting – 15ml bottle provides ample supply for entire swimming season
✔ Easy to Use – Simply add drops to water sample and compare to color chart
✔ Swimline Test Kit Compatible – Works with most standard liquid test kits (test kit not included)
✔ Professional Quality – Trusted by pool service technicians and homeowners alike
How to Use
Fill test vial with pool water to marked line
Add 5 drops of OTO solution
Cap and gently swirl to mix
Compare color to chlorine test chart
Adjust chlorine levels if needed (1-3 ppm ideal)
Ideal Applications
🏊 Residential Pools – Maintain safe chlorine levels for family swimming
🏨 Commercial Pools – Meet health department sanitation requirements
🏊♂️ Community Pools – Ensure proper water sanitation for public use
♨ Hot Tubs & Spas – Monitor chlorine in warmer water environments
🔬 Pool Service Professionals – Essential tool for water testing
Why Choose Our OTO Test Solution?
✅ More Accurate Than Test Strips – Liquid testing provides precise measurements
✅ Economical – Small drops go a long way (hundreds of tests per bottle)
✅ Prevents Problems – Proper chlorine levels stop algae and bacteria growth
✅ Protects Swimmers – Avoids skin/eye irritation from improper chemical balance
Keep your pool perfectly balanced – order your OTO Chlorine Test Solution today!
- 15ml
- Three different bottle options styles to choose from
- You can choose OEM logo or neutral logo
Related Pool water Liquid
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)