General Hydroponics® Armor Si™ 0-0-4 brand_roundup All Horticubes® media is manufactured

All Horticubes® media is manufactured in a "sheet" style

Aluminum shutter

it's absorbed more thoroughly into seeds and stems

To allow proper roof coverage

General Hydroponics® Armor Si™ 0-0-4 brand_roundup All Horticubes® media is manufacturedArmor Si is suitable for all types of plants during all stages of growth. It can be used for plants growing in hydroponics, coco coir and all types of media. Use as a growth enhancer with irrigation water, or in addition to your regular fertilizers. Armor Si improves plant structure and foliar development, increases yield, and improves flower and fruit production. In addition, your plants will experience improved heat and cold tolerance, stress