Bio-Ag Perma-Guard Diatomaceous Earth (DE) 22.7kg Plant Sprays from fine mist to

Sprays from fine mist to heavy jet stream

summer and fall

and it will not damage your outdoor gear or your plastics

Compresses with ease

Starts to work instantly

Bio-Ag Perma-Guard Diatomaceous Earth (DE) 22.7kg Plant Sprays from fine mist toDiatomaceous Earth packaged under our FOSSIL SHELL FLOUR label comes from an extremely pure fresh water deposit of the diatom Aulacoseira from a deposit created in the Miocene epoch. Why is this diatom so special? Its shell is made of amorphous silica. Its shape and hardness are important to how it works. Its hardness keeps it from dissolving in liquid. The holes along the diatom's wall allow it to absorb moisture, hence its use as an anti caking