Digital TDS Meter PPM Pen 0-9990 | Aquarium & Hydroponics
Digital TDS Meter PPM Pen 0-9990 | Aquarium & Hydroponics
Keep your water quality in check with the Digital TDS Meter Water Tester PPM Pen — a compact, easy-to-use tool for measuring Total Dissolved Solids (TDS) across a wide range of 0–9990 PPM. Whether you're monitoring your aquarium, hydroponics setup, or drinking water, this pocket-sized pen delivers instant, accurate readings at the touch of a button.
Why You'll Love This TDS Meter
- Wide Measurement Range: Reads from 0 to 9990 PPM, making it suitable for freshwater aquariums, saltwater tanks, hydroponics nutrient solutions, and tap or filtered drinking water.
- Digital LCD Display: Clear, easy-to-read screen gives you instant results — no guesswork, no test strips.
- Pen-Style Design: Slim, lightweight, and portable — slips into a pocket, bag, or toolkit so it's always within reach.
- Quick Response: Accurate readings in seconds; simply dip the probe tip into the water sample.
- Versatile Use: Ideal for aquarium hobbyists, hydroponic growers, and anyone who wants confidence in their water quality.
- Battery-Powered: Convenient button cell batteries included — ready to use right out of the box.
How to Use
- Remove the protective cap from the probe tip.
- Press the power button to turn on the meter.
- Submerge the tip approximately 2 cm into your water sample.
- Wait a few seconds for the reading to stabilize, then note the PPM value on the LCD screen.
- Rinse the tip with clean water and replace the protective cap after use.
Great For
- Freshwater & saltwater aquariums
- Hydroponics & plant nutrient monitoring
- Drinking water & filtered water quality checks
- Fish tanks & reef setups
- Pools & spas
Specifications
- Measurement Range: 0–9990 PPM
- Display: Digital LCD
- Form Factor: Pen/Probe style
- Brand: Qme
For more information on water quality parameters and safe levels, visit the U.S. Environmental Protection Agency – Ground Water and Drinking Water resource.
Frequently Asked Questions
Q: What does a TDS meter measure, and why does it matter for my aquarium or hydroponics setup?
A: A TDS (Total Dissolved Solids) meter measures the concentration of dissolved minerals, salts, and other substances in water, expressed in PPM (parts per million). For aquariums, monitoring TDS helps ensure a healthy environment for fish and aquatic life. For hydroponics, it helps you track nutrient levels so plants get exactly what they need to thrive.
Q: What is the measuring range of this digital TDS pen?
A: This TDS meter covers a wide range of 0–9990 PPM, making it suitable for freshwater and saltwater aquariums, hydroponics nutrient solutions, drinking water, and more.
Q: Is this TDS meter easy to use for beginners?
A: Absolutely. The pen-style design is intuitive — simply power it on, dip the probe tip into your water sample, and read the digital LCD display within seconds. No calibration solutions or test strips are needed for routine use.
Q: Can I use this meter for both aquariums and drinking water?
A: Yes. The Digital TDS Meter PPM Pen is versatile enough to test aquarium water, hydroponics reservoirs, tap water, filtered water, and more — anywhere you need a quick TDS reading.