Water Quality Tester 6-Parameter Automatic Temperature Compensation
High Quality
Free US Shipping
Hassle Free Returns
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Know What’s in Your Water Without the Guesswork
Check six water quality parameters with one instrument — measures pH, TDS, EC, salinity, specific gravity, and temperature, with automatic temperature compensation and no separate testing devices
Why Is This Water Tester Perfect for You?
✔ Six measurements in one instrument: Measure pH, TDS, EC, salinity, specific gravity, and temperature with one instrument instead of relying on six separate testing devices. Its measurement ranges support water checks for drinking water, aquariums, pools, and hydroponics.
✔ Temperature-compensated readings: Automatic temperature compensation uses the simultaneously measured water temperature to help reduce temperature-related reading errors. The high-sensitivity probe provides responsive detection, and the hold function locks readings for transcription.
✔ Calibration and marine testing support: Calibrate the pH function using standard solutions at 4.00, 6.86, and 9.18. Specific gravity readings range from 1.000 to 1.222, while salinity readings from 0 to 9999 ppm support seawater and marine aquarium testing.
Specifications
Measurement parameters and ranges: pH: 0.00–14.00; EC: 0–9999 µS/cm; salinity: 0–9999 ppm; specific gravity: 1.000–1.222; temperature: 32–140 °F; TDS range: not specified
Temperature compensation: Automatic compensation using simultaneously measured water temperature
pH calibration points: 4.00, 6.86, and 9.18 standard solutions
Power: Four replaceable 1.5 V LR44 batteries; automatic power-off after approximately 5 minutes
🎃 Spooky Season Sale 🦇
Due to high demand, stock is limited. Get an extra 10% OFF your order with code:
Tap to copy — valid while supplies last
Frequently asked questions
Quick answers about ordering from Couje. More detail on our full FAQ page.
How much does shipping cost, and how long does it take?
Shipping is free on every order — no minimum. Orders are typically delivered within 4–12 business days (processing included), and every order includes tracking. Full details are in our Shipping Policy.
What is your return policy?
You can return items within 30 days of delivery. Once your return is received and inspected, we process your refund to the original payment method. See our Return & Refund Policy for the full process.
How do I track my order?
As soon as your order ships, we email you a tracking number. You can follow your delivery at any time on our Track Your Order page.
How can I reach customer service?
Email us at support@couje.com or use our contact form. Our team is available Monday – Friday: 09:00 AM – 05:00 PM EST and replies within 24 hours. Saturday – Sunday: closed.