What do the different algaecides do?


90 Day Algae Out – Contains 11.8% active copper which kills and prevents blue-green, black and yellow algae. This non-foaming formula lasts 3 months. Green Algae Out - Contains 7.41% active copper to control the growth of yellow, green and black algae. Us as part of your weekly maintenance routine. Algae Out 60 – A non-metallic, [...]