[header] How to keep algae out of water fountains [title] Place your fountain in the shade. [step] Direct sunlight enables more rapid algae growth. Help minimize algae proliferation by keeping your fountain in a shady or covered area. 
[substeps] If a completely shaded area is not available, a partially shaded area may still help slow algae growth. Also consider placing a cover such as an umbrella or awning in the area near your fountain to help provide shade if no natural shade is available.