Eheim KARBON is a high-quality granular filter carbon designed to clarify and chemically filter freshwater aquarium water. It helps remove unwanted substances, pollutants and discolouration, making it especially useful during aquarium set-up or after treatments.\n\nSupplied in a convenient net bag, Eheim KARBON can be used in external canister filters, sump filters and some internal filters. It is pH neutral, phosphate-free and safe for freshwater aquariums when used correctly.\n\nKey Features:\n\n--Genuine Eheim KARBON filter carbon\n--1 litre / 225g pack in net bag\n--Helps clarify aquarium water\n--Removes chlorine, treatment residues and dyes\n--Helps reduce yellow or brown water tint\n--Can remove tannins released from aquarium wood\n--Suitable for external canister, sump and some internal filters\n--pH neutral and phosphate-free\n--Freshwater use only\n--Best used short-term for up to 4 weeks\n\nHelps remove substances such as:\n\n--Chlorine\n--Medication and treatment residues.