Name: Diatoms

Pest Type: Algae

Scientific Name: Bacillariophyta

Treatment: Many new tanks will get an algae bloom; it usually subsides as the tank stabilizes.

Identification: A red or brown film, resembling dust, that grows on any and every surface

Prevention: Astraea and Trocus snails readily consume this algae, though most blooms resolve on their own as the tank cycles