Ona Gel Pro 732G/25.8oz ipm-control Greensand is recommended for use

Greensand is recommended for use on lawns

is easily changed

exposing a fresh surface when readings become drifty or erratic

Specialized electrode for spot checking the pH of soil and soil slurries

The 3 air diffusers have a built-in 3/8 inch 90 degree elbow fitting that insures the airline connects freely to your fitting and prevents the air line from kinking at the base of the fitting

Ona Gel Pro 732G/25.8oz ipm-control Greensand is recommended for useThe ONA Gel is our most popular product. We spent many years developing a blend of ONA Liquid and various suspension elements to result in a product that has excellent dispersion qualities. The ONA odor neutralizing agents are released in a controlled manner so that every drop of this excellent product is fully optimized