Bacto energy (Ultra bak) 500ml for zeolithe filter

Ultra Bak is a nutrient solution for bacteria commonly found in a marine aquarium. After addition of Ultra Bak bacteria will grow rapidly and thereby will convert unwanted nutrients like nitrite, nitrate and phosphate into biomass. The bacteria will either be skimmed off or taken up by corals and filter feeders, thereby providing an additional source of natural food. Most corals can also directly utilize UltraBak as an energy source.