Taking the mystery out of gardening, the Hydrofarm Active Air 2-Way pH and Moisture Meter helps you monitor and adjust your soil so you can produce the best yield for fruiting or flowering plants. Perfect or indoor or outdoor use, this piece senses the pH levels of soil so you know when to fertilize, and monitors moisture levels so you know when to water. No batteries required.
Simplifying the science of soil, the Hydrofarm ActiveAir 3-Way pH with Light and Moisture Meter helps gardeners monitor the health and balance of their favorite plants. Great for use indoors or out, this piece doesn't require batteries for reliable use, season after season. Simply dip the meter into the soil and read moisture levels so you know when to water, pH levels so you know when to fertilize, and light levels so you know if you need to re-place. Perfect plants don't get easier than this!