Powered by Frooition\n\nEHEIM SUBSTRAT PRO 2L SUB STRAT BIO FILTER MEDIA BIOLOGICAL AQUARIUM FISH TANK\n\n--\n\n--\n\n--\n\n--\n\n--\n\n--\n\n--\n\n--\n\n--\n\n--\n\n--\n\n--\n\n--\n\n--\n\n--\n\n--\n\n--\n\n--\n\n--\n\n--\n\n--Ask a Question\n--Save as Favourite Seller\n--See Similar Items\n--See our Feedback\n\nItem Description\n\nEHEIM Substrat Pro 2L Biological Filter Media\n\nEHEIM Substrat Pro is a high-efficiency biological filter media designed to improve water quality in both freshwater and marine aquariums. Manufactured from sintered glass, this media features an extremely porous structure that supports the growth of beneficial bacteria vital for effective biological filtration. With a surface area of approximately 450 m\u00B2 per litre, it provides ideal conditions for nitrifying bacteria to thrive, helping to break down ammonia and nitrite efficiently.\n\nKey Features:\n\n--Extensive surface area \u2013 Offers 450 m\u00B2 per litre for bacteria colonisation, boosting biol.