Check the listing for details. Summit Barley Straw Extract Pond Treatment, 1 Gallon. Condition: New. Listed at 57.87 USD. Summit Barley Straw Extract Pond Treatment, 1 GallonUnlock the water clearing power of barley straw with this fast acting, effective liquid extract. Clear-Water Barley Extract begins to work more quickly than traditional barley straw but must be applied more often.Treats 56,000 - 72,000 gallons. Webb's eBay Store Store Home Store Policies Feedback Shipping Most orders are shipped from our warehouse in Maryland. We warehouse over 95% of the items that we offer, which is a key to our quick order turn-around. Some orders are drop shipped directly from our manufacturer's in various states within the continental US. All orders are shipped via either UPS or FedEx therefore we cannot deliver to PO boxes, please supply a physical address to which we can ship your order. Payment We accept PayPal and the following credit cards: Visa, MasterCard, American Express, and Discover. Please feel free to contact us with any questions.