- Designed for Ammonia and Nitrite Removal
- Primarily designed to provide deep anaerobic zones for de-nitrification in passive systems.
- Live rock substitute-popular among reef hobbyists as a substitute for live rock because it reduces nitrates more efficiently without harming the environment.
- Use in sumps, stacked in extra-large filters.
- Perfect for in-sump use to cultivate Bacteria
Extra benefit Copepods love living in them and creating a healthy breeding spot.