Floating Digital Thermometer & Salt Meter for Spa Use

Product selling points

2-in-1 Functional Design

This smart device combines a digital thermometer and a salinity meter, offering real-time monitoring of both water temperature and salt levels (0–9999ppm) in a single, compact floating unit.

High-Precision Measurement

Built with a high-sensitivity sensor, ensuring ±2% salinity accuracy and 0.1°C/℉ temperature precision. Automatically updates readings every 2 minutes for consistently reliable data.

Wide Measurement Range

Covers a salinity range of 0–999ppm and 1000–9990ppm, and a temperature range of 0.0–50.0°C (32.0–122.0°F). Ideal for various water conditions including saltwater pools, spas, ponds, and aquariums.

Smart & Portable Design

Ready to use with auto-start in water. Large LCD screen displays clear readings. Includes ℃/℉ toggle for user preference. Lightweight and floatable – just drop and monitor.

Upgraded Glass Electrode Sensor

Uses high-quality glass electrode with fast response, strong corrosion resistance, and compatibility with standard 5000μS/cm calibration fluid for long-lasting accuracy.

Eco-Friendly Power Supply

Powered by solar energy with a built-in rechargeable battery. No external batteries needed. Environmentally friendly and perfect for outdoor use in sunny conditions.

Ergonomic Build

Smooth, waterproof body with anti-slip buttons. Easy to handle, calibrate, and clean – suitable for pool owners, spa lovers, and aquarium hobbyists alike.

Application Scenarios

• Swimming Pools

• Hot Tubs & Spas

• Fish Ponds & Koi Tanks

• Aquariums

• Hydroponics Systems

• Saltwater Maintenance

Usage Tips & Maintenance

• Calibrate before first use (with 5000μS/cm solution)

• Expose to sunlight regularly to maintain charge

• Rinse electrodes periodically to ensure accurate readings

• Not intended for purified or distilled water

Why Choose Us?

2-in-1 salinity and temperature meter
True solar power with rechargeable battery
Large display, auto-read, and effortless operation
Durable, floating, and waterproof design
Trusted for home and commercial use

♠♠♠♠♠Customer Reviews

“Best pool gadget I’ve bought!”♥♥♥♥♥♥

“I just drop it in and forget it. The readings are always spot-on, and it’s super easy to read from the deck. Solar power works perfectly!”
— Carla D., Arizona

“Great for koi ponds too!”♥♥♥♥♥♥

“I use this for my fish pond. It’s accurate, solar powered, and has made pond care so much easier. The screen is big and clear!”
— David L., UK

“No batteries? Yes please!”♥♥♥♥♥♥

“Finally a device that doesn’t require constant battery changes. It floats, updates every couple of minutes, and I can trust the readings.”
— Linda K., Australia