🌊 Dive into a Safe Aquarium Experience! Quality you can trust, free from harmful additives. A little goes a long way—perfect for both fresh and saltwater setups. Transform your tank into a thriving aquatic ecosystem with ease. Designed for both novices and pros, ensuring a seamless cycling process. Cultivate beneficial bacteria without the stress of live fish. Fishless Cycling Solution Highly Concentrated Pure and Safe Fritz Pro Aquatics Pure Ammonium Chloride is a 500-gram powder designed for fishless cycling, providing a safe and effective way to establish a biological cycle in both fresh and saltwater aquariums. Made in the USA, this highly concentrated formula is free from harmful additives, making it ideal for nurturing beneficial nitrifying bacteria.