Boyd Chemi-Pure - 10 oz Fish & Coral Food Actual airflow at each outlet

Actual airflow at each outlet depends on water depth

It grows up to 9 inches and requires an aquarium of at least 125 gallons

and Boyd states it is safe for fish

It has a chocolate colored body with many polka-dots on its face and its entire body

Boyd Chemi-Pure - 10 oz Fish & Coral Food Actual airflow at each outletBoyd Chemi Pure 10 oz Boyd Chemi Pure 10 oz is the original Chemi Pure aquarium filtration media in a larger size for freshwater and saltwater aquariums, helping polish water, reduce dissolved pollutants, and support stable aquarium conditions for systems up to 50 gallons. Boyd Chemi Pure 10 oz Original Filtration Media for up to 50 Gallons This 10 oz Chemi Pure size is built for aquariums that need the original Chemi Pure media blend in a larger