Writing and Reading

Lake 226 continued to develop blooms of blue-green algae for eight consecutive years after the experiment took place. 

In the United States, many individual states have also adopted legislation to eliminate, or at least reduce, phosphorous content in laundry detergents. 

In 1974, Schindler initiated a study of the effects of acid rain, using Lake 223 to examine how sulfuric acid altered aquatic ecosystems. 

Aerial photos of the lakes taken before and during algal blooms helped convey the effects of phosphates in water to the public.