A hands-on pond care update showing how enzyme treatments and dye help control algae, improve water clarity, and protect fish. See real results after 24 hours and learn what works for small farm ponds ...

Daphnia and other grazing zooplankton can also evolve resistance to some types of cyanobacteria, also known as blue-green algae, which produce compounds that are toxic to people and pets. Daphnia that ...