Vermiculite Grade 3 - Course 100L 1/5/10/25 Long-lasting HEPA & Carbon Filter

Long-lasting HEPA & Carbon Filter with a replaceable design

Watch the most stubborn stains fade away in moments like magic

CO2 Blast Refills make CO2 enrichment hassle-free and accessible to growers of all levels

Containing a 0-52-32 NPK ratio

Use in vegetative period only

Vermiculite Grade 3 - Course 100L 1/5/10/25 Long-lasting HEPA & Carbon FilterVermiculite is another heat expanded product which has very high water retention. It is often used as a soil conditioner or for covering seed raising mixes. Vermiculite holds too much water to be useful as a medium by itself, but it can be mixed with other growing media to improve air water ratio to extend the period between waterings.