GroMix Box Set

This Box Set makes approximately 12 cubic feet of GroMix.  There is enough mix to fill 23 to 26 quad pots.


Coconut Fiber (COIR) qualifies as an organic medium. It can be used as a stand alone media, or mixed with perlite. Coconut Fiber comes from the shredded husk of coconuts and is packaged into compressed blocks. This product has received excellent reviews from growers who have switched to Coconut Fiber.
GroCoir is pH balanced and contains low sodium content for coir fiber. It increases water holding capacity and nutrient retention, expanding to 5 times its condensed brick size. GroCoir can be mixed with any other growing media.

This lightweight Perlite provides superb aeration and moisture retention when mixed in with other soil materials. Perlite supports root growth and retains moisture, air, and nutrients which it releases as plants grow. Also suitable for hydroponic greenhouses. Can be made very low-density as required.
Perlite is an amorphous volcanic glass that has a relatively high water content, typically formed by the hydration of obsidian. It occurs naturally and has the unusual property of greatly expanding when heated sufficiently. So in laymen terms it is lavarock that has been popped like popcorn!

Additional information

Weight 60 lbs
Dimensions 24 × 12 × 15 in


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