Eheim Pick Up Filter Cartridges
Open-cell foam cartridge with exceptionally large filtration surface for intensive mechanically cleaning. At the same time, excellent bio-filtration is guaranteed by the colonization of useful bacteria. The cartridge needs changing when the water flow through the filter noticeably decreases.
- Measures nitrate levels on both fresh and saltwater aquariums.
- High levels of nitrate are a food source for unwanted algae and indicate poor water quality and health problems for fish.
- Tests nitrate levels from 0 to 160ppm