Hydrofarm MGMLP1 Active Air 3-Way pH, Light & Moisture Meter

Description

Gardeners can conveniently test their moisture, light, & pH levels with the handy ActiveAir 3-WAY meter. Moisture readings register on a scale of 0 (dry) to 10 (moist), light readings range from 0 (low light) to 2000 (very strong light), & pH readings between pH 0 (acidic) & pH 10 (basic) are represented. The durable, easy-to-read r is suitable for indoors or out & needs no batteries to operate.