Check the listing for details. GLB Strike Out Algi (71114) - 1 Quart. Condition: New. Listed at 35.99 USD. Triple, chelated 7.4-Percent copper algaecide is designed to control green and mustard algae. It won't cause staining if used according to directions. Economical, concentrated algaecide eliminates green and mustard algae. No waiting to swim Long-lasting Safe for all types of pools No waiting to swim - treated water can be used immediately. Application: Dilute with at least nine parts of water. (See dilution chart on back of bottle. ) Sprinkle solution around edge of pool. Chlorine, bromine and ozone sanitizers, as well as salt water pools. Apply under sunny conditions for most effective results. Apply initial treatment to a freshly filled pool or at first visible signs of algae growth. This item is not for sale in Catalina Island SHIPPING: We will do our best to ship your order based on the shipping method selected, however in some cases, your shipping method may need to be modified to meet shipping requirements based on the carrier. Our current carriers used are UPS, FedEx and USPS. Please contact us directly through the "Contact Seller" link if you need UPS, FedEx or USPS specifically for your order.