❄️ Dive into worry-free winters with our algaecide! Enjoy your winter without worrying about algae growth. Just 1 quart treats 20,000 gallons—easy peasy! Dependable control for a pristine pool all season long. Specifically designed to fight algae for up to 5 months. Perfect for both inground and above ground pools. 1 Quart 5-Month Protection 20,000 Gallons Coverage The In The Swim Winter Swimming Pool Algaecide is a powerful liquid solution designed to effectively control algae growth in your pool throughout the winter season. With a 1 quart dosage treating up to 20,000 gallons, this product ensures your pool remains clean and inviting for up to 5 months, making it ideal for both inground and above ground pools.