Sold by the hydrogel Aquasim from the manufacturer, special for the plants. 1 gram of the hydrogel Aquasun absorbs up to 400 grams of water for a few minutes. Validity in soil for at least 5 years. Shelf life is unlimited. Wholesale price is discussed separately. The manufacturer: Factory of low-tonnage chemistry PKF singer Address of the manufacturer: Republic Tatarstan, a Zelenodolsk, street, house. 58 Detailed information about the hydrogel can be found on the website tdsinger.ru Buy production of the Russian manufacturer!