TDS Meter – Digital Water Quality Tester for Aquariums & More

Monitor your water quality quickly and conveniently with the Digital TDS Meter. Designed to measure Total Dissolved Solids (TDS), this compact tester helps you monitor the concentration of dissolved minerals, salts, and other charged substances in water.

TDS measurement is particularly useful for aquariums, water purification systems, hydroponics, pools, and spas, where maintaining consistent water conditions is important.

What Is TDS?

Total Dissolved Solids (TDS) refers to the total concentration of dissolved substances in water, including minerals, salts, and certain dissolved metals. TDS is commonly displayed in parts per million (ppm) or mg/L.

For aquarium keepers, monitoring TDS can help identify changes in water composition and provide a useful reference when performing water changes, using RO water, or maintaining sensitive aquatic species.

Easy Digital TDS Measurement

The Digital TDS Meter provides a quick way to check dissolved-solids levels. Simply use the meter according to the manufacturer’s operating instructions and read the result directly from the digital display.

It is a useful tool for comparing water sources and monitoring changes over time.

Key Features

• Measures 0–9,990 ppm
• 0–999 ppm: 1 ppm resolution
• 1,000–9,990 ppm: 10 ppm resolution
• Factory calibrated
• Easy-to-read digital display
• Hold function for convenient reading and recording
• Auto-off function after approximately 10 minutes of inactivity
• Compact and portable design
• Simple operation

Wide Range of Applications

The TDS Meter can be used for monitoring water in a variety of applications, including:

• Freshwater aquariums
• Marine aquarium systems
• RO and water purification systems
• Hydroponics
• Swimming pools
• Spas
• Water quality checks
• General household water monitoring

Useful for Aquarium Maintenance

TDS is particularly useful as a monitoring parameter in aquarium keeping. Regular measurements can help you identify significant changes in dissolved-solids levels and determine whether your water source or filtration system is performing consistently.

This can be especially helpful for aquariums containing shrimp, sensitive fish, or species requiring specific water conditions.

Keep in mind that TDS is not a direct measurement of water purity or toxicity. A TDS meter measures electrical conductivity and estimates dissolved solids; it cannot identify which specific substances are present. Water chemistry should therefore be evaluated using appropriate tests for parameters such as pH, ammonia, nitrite, nitrate, GH, and KH when necessary.

Hold & Auto-Off Functions

The built-in Hold function allows you to freeze the displayed reading, making it easier to record measurements.

The automatic shut-off function turns the meter off after approximately 10 minutes without use, helping conserve battery power.

Measurement Range

Product Highlights

• Product Type: Digital TDS Meter
• Measurement: Total Dissolved Solids (TDS)
• Range: 0–9,990 ppm
• Display: Digital
• Hold Function: Yes
• Auto-Off: Approximately 10 minutes
• Calibration: Factory calibrated

Keep track of your aquarium and water quality with a convenient Digital TDS Meter – a simple tool for monitoring dissolved-solids levels and maintaining consistent water conditions.

Upgrade your aquarium setup with the TDS Meter – Order now and experience the difference!