Active Air 3-Way Meter Alfalfa Meal Its powerful active ingredient

Its powerful active ingredient

1% phosphorus

Ideal for use on vertical or irregular surfaces

This green LED head lamp offers hands-free lighting without disturbing your plants' day/night cycle

No calibration required for conductivity and temperature

Active Air 3-Way Meter Alfalfa Meal Its powerful active ingredientGardeners 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