🌟 Dive into effortless aquarium bliss! Just one application a week keeps your aquarium pristine. Say goodbye to unsightly debris and hello to crystal-clear waters. Safe for all fish lovers—apple-free formula! Transform your tank maintenance into a breeze! Cultivate a thriving aquatic ecosystem effortlessly. Freshwater & saltwater compatible 16 oz liquid volume 544.31 grams weight The API STRESS ZYME Freshwater and Saltwater Aquarium Cleaning Solution is a powerful 16-ounce liquid formula designed to keep your aquarium clean and healthy. It effectively consumes sludge, adds beneficial bacteria, and is safe for all fish species, making it an essential weekly maintenance solution for both freshwater and saltwater tanks.