Stream now with KPBS+ / Watch Monday, Feb. 2, 2026 at 8:30 p.m. on KPBS 2 Algae are probably the most overlooked of all plants. These are aquatic plants that can be a single cell, or a 20-foot long ...
“The inside of the structure that causes the coloration contains a substance that is highly reactive and may act as a feeding repellent to algae-eating fish. Such a repellant is more effective when ...