Diatomaceous Earth Food Grade Harris 4 lb Seed Starting Allows for rapid reaction time

Allows for rapid reaction time once applied to soils and lawns

Inline filter designed to block odors and chemicals from escaping grow tents and hydroponics rooms

or magnetic mounting options to place and display anywhere

Flavorful Yields

Roots Organics HPK liquid bloom booster features a combination of phosphate rock

Diatomaceous Earth Food Grade Harris 4 lb Seed Starting Allows for rapid reaction time100% ground freshwater diatomaceous earth with absolutely no additives or fillers. Harris Diatomaceous Earth Food Grade 4lb powder is listed with the Organic Materials Review Institute and is composed of ground freshwater diatomaceous earth mined in Nevada and packaged in Georgia.