API Stress Zyme is a powerful and safe solution designed to enhance biological filtration and maintain water quality in freshwater and saltwater aquariums. Featuring a blend of beneficial bacteria and enzymes, it helps break down fish waste, uneaten food, and organic debris, reducing ammonia, nitrite, and nitrate levels. Stress Zyme supports a healthy nitrogen cycle, prevents sludge buildup, and promotes a cleaner, clearer aquarium environment. Ideal for routine maintenance, new tank setups, or after filter cleaning, it helps reduce stress in fish and invertebrates while maintaining a balanced and thriving aquatic ecosystem.