Active Air 3-Way Meter Monitors & Timers It is durably constructed and

It is durably constructed and designed

in conjunction with the MICRO and GROW

a necessity for a plant to thrive and produce high quality crops

cold pressed Ascophyllum nodosum seaweed

double sealed bearing chamber

Active Air 3-Way Meter Monitors & Timers It is durably constructed andGardeners can conveniently test their moisture, light, and pH levels with the handy Active Air 3 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