Bio-Ag Perma-Guard Diatomaceous Earth (DE) 22.7kg Plant and it will not damage

and it will not damage your outdoor gear or your plastics

You can fill them with Hydroton clay pellets or the small rockwool cubes

summer and fall

For even more convenient feeding on your outdoor plants

Bio-Ag Perma-Guard Diatomaceous Earth (DE) 22.7kg Plant and it will not damageDiatomaceous 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