US$ 32.99
Its powerful active ingredient
No calibration required for conductivity and temperature
The low molecular weight of UJB makes it very available to the plant for immediate use
Ideal for use on vertical or irregular surfaces
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
US$ 32.99
US$ 16.99
US$ 62.99
US$ 31.99