Hydroton by the Kilo

Don't need a whole bag?  Order only what you need by the kilogram! Approx. 2.5 L /kg 

Hydroton Grow Rocks are lightly expanded clay aggregate which is a high performance growing media.

It does not compact and is totally reusable.

It can be cleaned and sterilized for re-use. It drains freely and doesn't not hold an excessive amount of water.