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Hydrofarm Active Air 3-Way Meter
This meter gives you a trifecta of information to keep all that you grow healthy and thriving. It takes moisture readings from dry (0) to moist (10); light readings from low light (O LUX) to very strong light (2000 LUX), and pH levels between 3.5 and 8. Armed with this crucial information, you will be able to be successful in your growing from planning to plant all the way to plant maturity.
- Easy to use and easy to read
- No batteries required
- For indoor and outdoor use
- Sturdy design for long-term usage