50L Perlite Organic Super Coarse Premium Soil Expanded Medium Plants Hydroponics Toasters & Grills Full HD video: Watch hours

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50L Perlite Organic Super Coarse Premium Soil Expanded Medium Plants Hydroponics Toasters & Grills Full HD video: Watch hoursPerlite is a heat expanded silicous rock product for use as a hydroponic growing medium. Perlite retains enough moisture for it to be effective as a hand watered medium, but also has sufficient drainage to be used in a recycling drip irrigation system. Perlite is extremely lightweight and is suitable for use in a variety of growing containers, including pots, trays, bottom fed auto watering systems, etc. Coarse perlite has the highest air porosity, so