Viagrow Perlite plus vermiculite 1cubic ft bag each, combined to make a 58 quart mix. The Viagrow horticultural grade perlite combined with vermiculite is a great mix and can be added to any soil, peat, coconut coir or potting mix to make an ideal premium potting mix. Viagrow 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. Viagrow Vermiculite is a natural soil amendment that promotes moisture retention and aeration in potting mixes and delivers vital elements to the plant roots resulting in better root development, growth rates and yields. Viagrow vermiculite can be mixed with Peat moss, mushroom compost, cactus soil, organic soil, bark, perlite, compost, coconut coir, worm casting, potting soil and just about any soil or soilless media. Viagrow Vermiculite 3 naturally attracts and holds positively charged ions, like potassium, magnesium, calcium, and ammonium, releasing these vital elements to the plant roots. It even contains potassium and magnesium, which are then available as a supplemental slow-release supply of essential nutrients. Vermiculite is great for container gardens, square foot gardening, raised bed gardens, green house mixes and hydroponic drip systems. Viagrow vermiculite 3 has been developed with Successful Growing in Mind with a negative charge, it provides an excellent cation-exchange capacity which promotes healthy bacteria in your growing media and attracts and holds positively charged ions, improves water retention, wettability, has pH stability in soilless mixtures and Exhibits greater particle strength. For a great soilless mix combine 30% Viagrow vermiculite VER4 with 30% Viagrow perlite VPER4 and 40% Viagrow coconut coir VCCB5.