House & Garden Cocos A & B is a two-part base nutrient created for use with COCO COIR growing medium. 

You can use this liquid nutrient duo with expanded clay pellets, Rockwool/Steelwool or coco coir.

Cocos A & B nutrients provide your plants with high quality nutrition during both growth and flowering periods. Contains all macro and micro nutrients needed for your garden to thrive.

Completely water soluble, Cocos A & B encourages the transfer of nutrients from the root zone into the foliage. Application rate may be adjusted for normal or aggressive strengths. See label for more information.

Derived from: Calcium Nitrate, Ammonium Nitrate, Nitric Acid, Potassium Hydroxide, Phosphoric Acid Anhydride and Magnesium Sulfate.

As with all House and Garden nutrients, Cocos A & B is extremely concentrated so a little goes a long way.

More info (PDF format)