Harris Coco Coir promotes healthy roots. Use as an additive to soil and potting mixes for even distribution of nutrients. Adding coco coir fiber to soil allows for coir's fluffy texture to create air pockets, making soil spongy and loose. It can absorb up to 10x its weight in water, making adequate root hydration easier than ever. From indoor potted plants to an outdoor garden, coir is extremely versatile. Great for hydroponic and organic growers. Harris Premium Perlite helps soil to retain moisture and nutrients (while aerating and preventing root compaction. Mix in 25% concentration to improve drainage and promote root growth. Perlite is pH neutral, non-flammable, odorless, non-toxic, insect and fungus resistant, and will not decay or shrink. Use with cuttings, bulbs, soil, composted bark and more.