3-Way Meter, Active Air

Gardeners can conveniently test their moisture, light and pH levels with the handy active air three-way meter. Moisture readings register on a scale of 0 (dry) to 10 (moist), light readings range from 0 lux (low light) to 2000 lux (very strong light), accurate pH readings range between pH 3.5 and 8. The durable, easy-to-read tester is suitable for indoors or out and needs no batteries to operate. Remove from soil and clean prongs after each use to ensure the moisture meter stays in top performance shape.

• Instruction/Installation Manual