This is a 2 PACK of 72 fluid oz bottles of BioGuard Algae Complete Dual Action AlgicidePart # BIO23075This is a brand new, unused, unopened product from the manufacturer.Swimming Pool Algicide and Algae Preventative BioGuard Algae Complete is a highly effective fast-acting swimming pool algae destroyer. This product kills all types of pool algae; black algae, green algae, and mustard algae. It is formulated to complement mot swimming pool sanitizers. This product is effective and non-staining when used as directed. When used as directed you will see results in 24 hours. BioGuard Algae Complete is non-foaming and can be used in pool with attached spas or jetted returns. EPA number - 5185-513Important Notes: Do not use in pools sanitized with biguanides or pools treated with hydrogen peroxide. Prior to the initial application of this product, test pool water for the presence of metals. If metals are present, apply a metal stain preventative per label directions. When using other products, always follow label direction for those products.In use dilution, this product is non-staining to pool surfaces and equipment. Shipping will be free to the US only. Item will be shipped within one business day upon receiving payment for your purchase, and if in time, will be shipped the same business day.Heintz Sales, founded in 2016, is a locally owned small business e-commerce venture, looking to meet your online purchasing needs in automotive, sport and recreation, and general DIY home improvement projects. We carry a variety of products from more than 200 manufacturers, and have been expanding our product offerings daily.We process and ship orders daily through the 5 business days, sometimes within minutes of your order and usually within 24 hours of your order. We also respond to each inquiry we receive within a 24 hour period. Heintz Sales works in close partnership with Heintz Brothers Automotive, striving to meet the racing needs of oval track racers, drag racers, dirt track racers, NASCAR racers, and racers of any kind. Heintz Brothers for over 50 years has specialized in engine building, parts sales, and customer service in the racing industry. Our commitment to excellence and the business is shown by the induction of the Heintz Brothers, Steve and Mike, into the NC Drag Racing Hall of Fame. Heintz Brothers is located in Statesville, NC, and also works in partnership with Heintz Performance, located in Concord, NC, near the speedway.We appreciate the opportunity to meet your performance racing needs and thank you for your support of our small business. We hope to have the opportunity to serve you in the future. Feel free to contact us with any questions.Thank you!