Brightwell Xport Bio Blocks 2 inches - 3 Pack af110 depending on their needs

depending on their needs

flow rate should not be such that resin is ejected into aquarium

Extremely Durable and Flexible Material

Measurements 15

Oase FiltoSmart 300 Foam Set

Brightwell Xport Bio Blocks 2 inches - 3 Pack af110 depending on their needsUltra porous ceramic Block Media for Biological Filtration with Superior Performance Characteristics Overview Designed to be used in marine and hard freshwater aquariums with a pH of 7. 5 or over Highest porosity and largest useable surface area, per unit weight or volume, of all filtration media available anywhere Provides huge amounts of aerobic and anaerobic surface area for efficient bacterial colonization Laboratory Tested: Provides over 40,000