Spring and Fall Pool Cleaner - 12 Packets (Treats 12,000 Gallons) | Swimming Pool Maintenance for Crystal Clear Water All Season

Blue Thumb Spring & Fall Clean Easy to use, Water Soluble Packets Spring & Fall Clean contains cold water natural bacteria designed to accelerate the decomposition of leaves, twigs, muck and other sediment during the fall and winter months while replenishing winter bacteria loss during the spring. Keep your pond looking its best during the colder months of the year! Start applying once per week when water temperature drops below 55℉. Safe for use with fish, plants, birds or domestic animals that drink from the pond. About Blue Thumb Whether you’re an Industry Pro, Weekend DIY Warrior, Passionate Hobbyist, or just someone who loves water, we have everything you need to add a beautiful water feature to your home.