No need to store bags of potting soil—just keep a jar of these instant soil wafers on hand and you???ll never run out. Soak a wafer in warm water and you???ll have enough soil to fill a 4" pot. Jar of 18 wafers makes 6 quarts of soil. Contains coir, peat, starter nutrients and potassium-based polymers that reduce watering by up to 50%. Makes 6 quarts of potting mix Just add water! Easy to store and saves space Package of 18 wafers Contains coir, peat, starter nutrients and polymers Water-retaining polymers reduce frequency of watering Use 1 to 1-1/2 cups of warm water to moisten each wafer 17-1/2 ounce jar