Treats Up To 500 Gallons Of Clear Water, Summit Model 1138 Barley Straw Planter. Product Details Fashioned into an attractive, floating showcase for non-submerged aquatic plants, these barley planters are safe for fish and other pets and wildlife, and provide the water clarification benefits of our barley straw bales. Small planter measures 3.5-inch by 6-inch and treats up to 500 gallons. Hidden styrofoam ring for stability and floatation. Keep your pond water clean and clear year-round. Clear-Water Barley Straw Clarifiers are easy to use, safe and attractive. Clear your pond, fountain and fish tank naturally. Acts as a natural filter to keep your pond clean and clear. Won't harm fish or plants. Works up to 6 months. Provides the water clarification benefits of our barley straw bales Barley planters are safe for fish and other pets and wildlife Attractive, floating showcase for non-submerged aquatic plants Small planter measures 3-1/2-inch by 6-inch Treats up to 500 gallons Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.