Red Slime Algae
Details
Scientific Name: Cyanobacteria
Identification: a reddish-brown, thick, slimy growth that can spread and cover every surface in the aquarium
Pest Management
Treatment: use a siphon to clean substrate, do a water change, and replace or supplement your filter media
Prevention: Replace aquarium bulbs regularly and keep phosphates and nitrates low in the tank through regular water changes, adequate water movement, and not overfeeding your fish