API Stress-Zyme - 16oz Major Elements Natural seawater potassium concentration is

Natural seawater potassium concentration is approximately 399 ppm

detritus buildup

Do not place the media bag inside a filter sock

Clean any pipette used below water level with fresh water before returning it to the bottle to avoid contamination

the internal cleaner floats for easy retrieval instead of sinking into gravel

API Stress-Zyme - 16oz Major Elements Natural seawater potassium concentration isAPI Stress Zyme 16oz API Stress Zyme 16oz is a freshwater and saltwater aquarium bacterial cleaning solution that helps maintain a cleaner aquarium and supports a strong biological filter when used weekly. API Stress Zyme 16oz Bacterial Cleaner for Aquarium Maintenance API Stress Zyme adds beneficial cleaning bacteria that help break down organic waste and support aquarium cleanliness. It is useful for established aquariums as part of a weekly