Active Air 2-Way pH & Moisture Meter Pot Elevators Inner and outer mesh provides

Inner and outer mesh provides 53% open area allowing increased air flow

From hydroponics systems to aquariums

Over 5kW the line voltage control is operating the contactor coil only and will draw only 1 Amp

HYDROPONIC SYSTEMS

Lotus Pro Series Cal/Mag is a premium source of the two most readily absorbed secondary nutrients

Active Air 2-Way pH & Moisture Meter Pot Elevators Inner and outer mesh providesGardeners can conveniently test their moisture, and pH levels with the handy ActiveAir 2 Way Meter. Moisture readings register on a scale of 0 (dry) to 10 (moist), and pH readings between pH 0 (acidic) and pH 10 (basic) are represented. The durable, easy to read tester is suitable for indoors or out and needs no batteries to operate. DO NOT LEAVE IN SOIL. CLEAN PRONGS AFTER EACH USE.