Plant!t line of horticultural products, starting at the bottom. Plant!t clay pebbles, which foster beneficial bacterial growth around the plant root zone and provide excellent aeration and drainage, are pH stable and ideal for drip feed, deep water culture, and flood and drain systems. Super coarse Perlite hen expanded, each granular, snow-white particle of perlite is sterile with a neutral pH and contains many tiny, closed cells or bubbles. The surface of each particle is covered with tiny cavities which provide an extremely large surface area. These surfaces hold moisture and nutrients and make them available to plant roots. Plantit grow media is available from Plant Lighting Hydroponics at low prices.