BARLEY STRAW EXTRACT 32-oz SAVIO: BARLEY STRAW EXTRACT 32-oz $31.50 SKU: SAV461 QTY: Click here to save 5% off of your order! Savio Natural Barley Extract - 1 L Bottle (32oz) Treats up to 25,000 gallons of water 1L extract is the concentrated equivalent to twenty four barley pillows. SAVIO Natural Barley Extract™ performs better than messy decomposing barley straw. Better Results in a wide range of temperatures and pH levels. Safe for fish and plants. Made from extract of barley straw. See results in 2-3 weeks. Application Rate: First 2 weeks - 1 oz weekly per 125 gallons Maintenance - 1 oz weekly per 750 gallons Ingredients: Natural extract of barley straw. No herbicides or synthetic chemicals added.