The algae color is a very good indication that it is a bluegreen algae. As many bluegreen algae die they turn the color of that in your pictures thus name bluegreen algae now called Cyanobacteria. Cyan: is the color halfway between blue and green on the color wheel. the The foul odor is another indication it is a bluegreen.


aka Pond Doctor & Dr. Perca Read Pond Boss Magazine -
America's Journal of Pond Management