50ml pH Test Drops – Pool, Aquarium & Drinking Water Tester

50ml pH Test Drops – Accurate Water Quality Tester for Pools, Aquariums & Drinking Water

Keep your water clean, safe, and balanced with these 50ml pH Test Drops. Whether you're monitoring a home aquarium, swimming pool, outdoor water feature, or household drinking water supply, this easy-to-use liquid reagent delivers fast, reliable pH readings in seconds — no equipment or specialist training required.

Made in Mainland China.

Why Choose These pH Test Drops?

• Highly Accurate Results: Instantly detect and monitor your water's acid-base balance to maintain safety and quality standards. Essential data for optimizing filtration systems and protecting aquatic ecosystems.
• Drinking Water Monitoring: Verify the safety and filtration efficiency of your drinking water, helping your purification system perform at its best for consistent contaminant detection and prolonged equipment lifespan.
• Generous 50ml Volume: The large bottle eliminates frequent refills, providing ample reagent for repeated water quality assessments — perfect for extended testing sessions across multiple water sources.
• Drop-and-Read Simplicity: Add 3 drops to 50ml of water, shake well, and compare the resulting color to the included color chart within 30 seconds for an instant, dependable pH reading.
• Versatile Applications: Ideal for home, school, and small business use — swimming pools, drinking water systems, fish tanks, aquariums, outdoor ponds, and more.

Product Specifications

How to Use

1. Add 3 drops of the pH test solution to 50ml of water.
2. Shake the water sample gently to mix.
3. Within 30 seconds, compare the color of the tested solution to the included color chart.
4. Read the corresponding pH value from the chart.

Important Precautions

• Color comparison must be performed within 30 seconds — results may be inaccurate beyond this time.
• Avoid contact with eyes. If contact occurs, rinse immediately with clean water.
• Store away from direct light in a cool, sealed location.

What's in the Box

• 1 × 50ml pH Test Drop Bottle

Also explore related products from our store: 2.8L Beverage Dispenser with Spigot – Fridge Drink Dispenser for clean, filtered drinking storage, and the BALASHOV 2500W Handheld Steam Cleaner – Kitchen, Car & Home for all-around home maintenance.

Learn more: Nutrition.gov on cooking and food safety

Frequently Asked Questions

Q: What pH range do these pH test drops measure?

A: These pH test drops are designed for general water quality testing across a broad pH range, suitable for aquariums, swimming pools, and drinking water. The included color chart provides clear reference values so you can quickly identify whether your water is acidic, neutral, or alkaline.

Q: How many tests can I get from one 50ml bottle?

A: Each test uses just 3 drops added to 50ml of water, meaning the 50ml bottle provides a very large number of individual water quality tests — making it an excellent value for frequent monitoring of pools, aquariums, or drinking water supplies.

Q: Can these pH test drops be used for fish tanks and aquariums?

A: Yes! These pH test drops are perfectly suited for aquarium and fish tank water testing. Maintaining the correct pH balance is essential for the health of aquatic life, and this reagent makes it easy to check your tank's water quality quickly and accurately.

Q: How should I store the pH test drops to maintain accuracy?

A: Store the bottle away from direct light, tightly sealed, in a cool location. Proper storage helps maintain the reagent's effectiveness for up to its 2-year validity period.