BARLEY PEAT EXTRACT 33.8oz 1-LITER BARLEY PEAT EXTRACT 33.8oz 1-LITER $12.75 SKU: TET16296 QTY: Click here to save 5% off of your order! TETRA BARLEY/PEAT EXTRACT 33.8 OZ/1-LITER Barley & Peat Extract creates naturally clear water and reduces pond maintenance. Regular use prevents discolored pond water and maintains the natural beauty of waterfalls. Releases natural humic acids from barley straw extract and liquid peat. Replaces messy barley bales. Safe for fish and plants when used as directed. Treats 5000 gallons per 33.8 oz.