The Viagrow horticultural grade perlite increases drainage & aeration when added to soil & soilless growing media. Viagrow horticultural perlite is commonly used alone for a completely inert hydroponic medium with good capillary & air retention properties, perlite can also be added to any medium to improve texture, air to water ratio, and create a healthier growing medium. Viagrow perlite is a perfect horticulture mix to combine with coir (coconut fiber) VCCB5 or VCCF50 & bulk granular fertilizers for a customized planting medium or can be used for compost aeration. Perlite has a wide variety of applications such as hydroponics, aeroponics, raised bed gardening, container gardens, roof top gardening, makes a great soil additive, square foot gardening, potting soil for indoor plants, orchid potting mix, potting soil for outdoor plant, and much more! Viagrow perlite is mined, heated, and packaged in the USA.