Armor Si™ by General Hydroponics is a premium silicate supplement that is suitable during all stages of growth for all types of plants. It can be used for plants growing in aeroponics, coco coir and virtually every type of plant growing media. Use as a growth enhancer when injected with irrigation water or in addition to your regular fertilization program. Armor Si™ improves the plant cell structure and development of foliage, increases yields, and improves fruit and flower production. Your plants will additionally be more tolerant to heat and cold temperature extremes, exhibit improved stress resistance and light absorption which leads to greater plant stature.