EHEIM Ehfisubstrat Pro 1 Liter Wet Dry Filters it provides excellent color reduction

it provides excellent color reduction for optimum viewing of your freshwater or marine fish and live corals with a balanced full spectrum of visible light and UVA

SeaGel™ will function 3-4 months

Made with Denta-C which is scientifically formulated to reduce the plaque that harbors bacteria

This clean

For wire cages

EHEIM Ehfisubstrat Pro 1 Liter Wet Dry Filters it provides excellent color reductionEheim's new superior biological media that improves and optimizes the performance of Ehfisubstrat. It is for highly active water purification with intensive biological decomposition of harmful substances. For use in all canister filters. Can be used in all applications like in any filter system, extra media for wet dry sumps and in power filter media containers. It can also be used as a replacement media for the Eheim AquaBall. It is pH & KH neutral