Algaecides & Water Clarity

Algae can be beneficial in an aquarium, as it can provide a food source for some fish. But too much algae is unsightly.

Cloudy water can be unsightly and cause problems for fish. Always test your water. API has great products to help clear water when conditions have changed.

Follow our Easy Care Guide step Regular Care to learn some simple and effective ways to keep your aquarium clean and balanced.


View As


Controls the main and most persistent types of algae in freshwater aquariums

Learn More


Quickly clarifies cloudy water

Learn More


Learn More