EHEIM AKTIV axopl Precious quartz gravel is a

Precious quartz gravel is a lime-free natural product

the macrophages activate the formation of further cells for the immune defense

Die sofortige Freisetzung des Wirkstoffs und die optimale Wirkstoffverteilung im Aquarienwasser unterstützen die schnelle Algenbekämpfung durch Tetra AlguMin

as the numerous filter bacteria in the aquarium feed on them

EHEIM AKTIV axopl Precious quartz gravel is aAdsorptive filter mediaAdsorb means to accumulate (as opposed to absorb = to take up). Adsorptive filter media are therefore materials that remove harmful substances from the water and accumulate or bind them. This could be chlorine from tap water, residues of medication or traces of cleaning agents, pesticides, dyes, etc. EHEIM AKTIVActive filter carbon with high efficiency especially after medication treatmentEHEIM AKTIV is acid washed and activated