Aquavascular Aquavascular Cyano-rid 60ml Aquavascular Cyanorid is an effective product to control algae bloom in aquariums , specifically acts against Cyanobarteria or Blue Green Algae (BGA) . Cyani-rid is helpful to control diatoms and prevent most of the bacterial and fungal infection issues during new tank setup.Cyanorid eliminated the harmful micro-organisms from the aquarium. Cyano Rid is free from antibiotics and does not leave any residue behind, making it safe for use in any aquarium.