API Stress Zyme Freshwater & Saltwater Cleaning Solution — 1-Gallon Bottle

Reduce aquarium maintenance by supporting a naturally balanced tank with API Stress Zyme Freshwater and Saltwater Aquarium Cleaning Solution. The formula works with your tank’s biology to manage waste and debris, helping you enjoy a cleaner, clearer aquarium.

In every teaspoon, you’ll find over 300 million live bacteria that work to consume sludge and organic debris. This natural process helps keep gravel and glass cleaner over time and supports the tank’s biological cycle, reducing the amount of manual cleaning required.

What it does

• One 1-gallon bottle designed for both freshwater and saltwater setups
• Promotes cleaner tanks by helping break down sludge and debris
• Consumes sludge to keep gravel and decorations cleaner
• Introduces beneficial bacteria to support a healthy aquarium biology
• Weekly use helps maintain a clean, well-balanced aquarium

How to use

• Use weekly in freshwater and saltwater aquariums to maintain a clean, healthy aquarium
• Follow label directions and pair with other API treatments as directed for best results

Why choose API

API has over 50 years of experience delivering science-based aquarium care. Products are designed to work together to support algae management, encourage healthy bacterial growth, and create a hospitable environment for fish such as tropical community fish, cichlids, goldfish, and more. When used as directed, these products can simplify maintenance and keep you focused on enjoying your tank rather than scrubbing it.

To maximize results, always follow the directions on the label and use API products as part of a complete care routine tailored to your tank’s size and inhabitants.