10 Best Swimming Pool Algaecides 2026

If you're a pool owner, you know how frustrating it can be to deal with algae growth in your swimming pool. That's why we've gone ahead and reviewed and scored many pool algaecides to bring you the top 10 best options for all your chemical and water testing needs. Our review found products ranging from a 0 score up to a 9, with the top rated product being Clorox Pool&Spa Green Algae Eliminator2 32 oz 1-Quart from the trusted brand Clorox. Say goodbye to pesky algae with this powerful eliminator that promises to get the job done. Trust us, your pool will thank you for it. Keep reading for more information on the top 10 swimming pool algaecides on the market, and get ready to take your pool maintenance game to the next level.