Frog 90-Day Algae Barrier™ 20K Prevents Black, Green & Yellow Algae | 01-10-6800

Don’t want algae? Stop it before it starts with 90-Day Algae Barrier, your solution for algae prevention. It’s a dry, concentrated, copper based formula that works proactively to keep your pool water clear and algae free for 90 days. The prefilled Pod makes application a breeze. Just Drop ‘n Go™ in your pool skimmer and let the barrier do the rest.