The GroStar GS1 pH meter was specially developed for hydroponics. Its rugged design makes the meter ideal for use in your garden. Whether professional measurements or values for the hobby gardener, its high-precision components and ease of use will help you quickly find your way around and increase the efficiency of your plant growth.
GS1 kit additionally includes the GroStar™ GS5-E ORP electrode. When the ORP electrode is attached, the device detects it and automatically switches to ORP measurement mode.
- Measures pH, oxidation-reduction potential (ORP), and temperature
- Premium electrode technologies and materials ensure high accuracy and durability with minimal maintenance
- User-friendly design and quick calibration setup
- Replaceable electrode
- Large 3-color, backlit display: white for measurement, green for calibration, red for error messages
- IP67 waterproof housing protection
- Powered by AAA batteries
- Automatic shut-off
- Automatic temperature compensation
The GroStar GS1 pH meter has a 2-year manufacturer’s warranty (1 year on the electrode).
Our brochure:
| German | GS1 Brochure |
| English | GS1 Brochure |


















