Denitrification Catalyst for Nano-Tech Anaerobic-Block (5 pcs)
For use with Maxspect Nano-Tech Anaerobic-Blocks to foster the growth of anaerobic heterotrophic bacteria in your aquarium.
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.
Package Contents - 5 Anaerobic Catalyst pieces
Maintenance - Replace every 2 months
Requires two Maxspect Anaerobic-Blocks for use