Algae and blanket weed will spread even more quickly under favourable conditions and can harm aquatic life living in the pond. There are hundreds of different varieties of algae that can cause a ...
HUDSON, N.H. — Anyone who has seen the algae, blanket weed, purple loosestrife, milfoil and assorted other aquatic weeds that are choking Ottarnic Pond is no doubt wondering why state officials needed ...