Eheim Synth Phenol-Free Fine Filter Medium 1 L is a highly effective, completely neutral filter wool designed for superior mechanical filtration in saltwater aquariums. This specialized medium works diligently to trap even the tiniest particles of dirt and debris, ensuring pristine water clarity. It is typically utilized as the final layer within your filtration system, just before the water re-enters the display tank.

A key feature of this Eheim filter medium is its innovative phenol-free structure, which guarantees no harmful substances are leached into your delicate reef environment. Each 1-liter package provides ample material for multiple uses, and for optimal performance and water quality, it is strongly recommended to replace this fine filter medium after each comprehensive filter cleaning.

This product is ideal for reef aquarists who prioritize exceptional water clarity and the health of their marine inhabitants. By consistently removing microscopic detritus, Eheim Synth helps maintain stable water parameters and a visually stunning aquarium. Its neutral and safe composition makes it an indispensable component for any responsible reef keeper's filtration regimen.