🌊 Dive into a healthier aquarium with MicroBacter Start XLF! Perfect for shrimp and fish alike, ensuring a harmonious aquatic environment. Enjoy peace of mind with a shelf life of over a year at room temperature. Trust in a brand that prioritizes quality and innovation in aquatic care. Designed for high-density tanks, effectively reducing harmful ammonia and nitrite levels. Transform your tank into a thriving ecosystem in just 5-7 days! 125ml Volume 15x Concentration Ammonia Remover Brightwell Aquatics MicroBacter Start XLF is a concentrated freshwater nitrifying bacteria solution designed to enhance biological filtration in aquariums. This powerful formula accelerates the growth of beneficial bacteria, ensuring optimal water quality and a thriving aquatic environment for fish and shrimp. Made in the USA, it is suitable for high-density tanks and boasts a long shelf life.