MAXSPECT ANAROBIC BLOCK REPLACEMENT CATALYST 5PACK

For use with Maxspect Nano-Tech Anaerobic Blocks to foster the growth of anaerobic heterotrophic bacteria in your aquarium. 

Recommended Use:

Stack two Anaerobic-Blocks horizontally directly in sump, placing a Denitrification Catalyst between the two blocks. The Denitrification Catalyst should be replaced every 2 months, while the blocks themselves will need to be cleaned or replaced roughly every 6 months.

Specifications

Package Contents - 5 Anaerobic Catalyst pieces

Maintenance - Replace every 2 months

Requires two Maxspect Anaerobic-Blocks for use