Eheim Substrat Pro 1L - Biological Filter Media Pond Additives 000 litres (220 gallons) of

000 litres (220 gallons) of pond or tank water

carbohydrates and minerals/trace elements and probiotics and enzymes will allow all organs involved in digestion to function in harmony

self-contained design makes the Biome ideal for bedrooms

System capacity: 238L / 63 gal

Eheim Substrat Pro 1L - Biological Filter Media Pond Additives 000 litres (220 gallons) ofEheim Substrat Pro is a biological media. This type of filtration is the purification of the aquarium water by using living organisms, such as denitrifying bacteria. These desirable bacteria will attach themselves to all hard surfaces within the aquarium system. They use the toxins as a food, converting harmful toxins such as ammonia and nitrite into less harmful nitrate. After prolonged use, mechanical and chemical filter media will act in a