Check the listing for details. GLB Algimycin 600 32oz. (Pack of 2). Condition: New. Listed at 61.99 USD. A brilliant one step, triple-action product. Ideal for winterizing pools, this non-foaming algaecide destroys and prevents the regrowth of green and yellow algae, all while increasing water clarity. Plus, it does not require pH adjustment to be effective. – Swim 15 minutes after treatment. – Contains a 60% poly quat. – Compatible with chlorine, bromine, salt water chlorine, ozone, biguanide and mineral sanitizing systems. - Pack of 2 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.