3-in-1 Digital Water Tester TDS EC Thermometer 0–9990 PPM

Keep your water quality in check with the 3-in-1 Digital Water Tester — a compact, easy-to-use meter that measures TDS (Total Dissolved Solids), EC (Electrical Conductivity), and Water Temperature in one convenient device. With a wide measurement range of 0–9990 PPM, it's the go-to tool for testing drinking water, aquariums, swimming pools, hydroponics, and more.

Why You'll Love This Water Tester

• 3-in-1 Functionality: Measures TDS, EC, and temperature — no need for multiple devices.
• Wide PPM Range: Covers 0–9990 PPM, making it suitable for drinking water, aquariums, pools, and hydroponic systems.
• Instant Digital Readings: Large, easy-to-read LCD display delivers fast, accurate results in seconds.
• Compact & Portable: Slim pen-style design fits in your pocket or tool drawer — ideal for home and on-the-go use.
• Auto Shut-Off: Conserves battery life so the tester is always ready when you need it.
• Simple One-Button Operation: No complicated setup — just power on, dip, and read.
• Versatile Applications: Perfect for drinking water quality checks, aquarium and fish tank monitoring, swimming pool maintenance, hydroponics, and more.

Product Specifications

• Measurement Parameters: TDS, EC, Temperature
• TDS Range: 0–9990 PPM
• Display: Digital LCD
• Design: Pen-style, portable
• Power: Battery-operated with auto shut-off
• Applications: Drinking water, aquariums, swimming pools, hydroponics, spas

Perfect For

• 🐠 Aquarium & Fish Tank Owners — Monitor water quality to keep your aquatic life healthy and thriving.
• 🏊 Pool & Spa Maintenance — Quickly verify water balance for a safe swimming environment.
• 🚰 Drinking Water Safety — Check the purity of tap, filtered, or bottled water at home.
• 🌱 Hydroponics & Gardening — Ensure your nutrient solution is at the ideal concentration for plant growth.

For more information on water quality standards and safe drinking water, visit the CDC Healthy Water – Drinking Water Resources.

Frequently Asked Questions

Q: What does this 3-in-1 digital water tester measure?

A: This tester measures three key water quality parameters: TDS (Total Dissolved Solids) in a range of 0–9990 PPM, EC (Electrical Conductivity), and Water Temperature. It gives you a comprehensive snapshot of your water quality in one quick dip.

Q: Is this water tester suitable for aquarium use?

A: Absolutely! The 3-in-1 digital water tester is ideal for aquarium and fish tank monitoring. Maintaining proper TDS and EC levels is essential for the health of fish and aquatic plants, and this tester makes it easy to check at any time.

Q: How do I use the digital water tester?

A: Simply power the device on with the button, dip the sensor tip into your water sample, and read the digital display. Results appear within seconds. The auto shut-off feature powers the device down automatically after use to preserve battery life.

Q: Can I use this tester for swimming pool water?

A: Yes! This tester is well-suited for swimming pool and spa water testing. It quickly measures TDS and EC levels so you can keep your pool water balanced and well-maintained throughout the season.