Chitosan Clarifier: Natural Chemistry Spa Clarify is a chitosan-based clarifier made from recycled crab shells. It is used to effectively and quickly clear problem water or to polish dull water by guiding small suspended particles to the filter. Quickly Clears Cloudy Water: With its highly concentrated formula, this product swiftly works to clear cloudy water by effectively guiding small suspended particles to the filter, restoring clarity to your water and enhancing the overall appearance of your pool or spa. Improves Filtration: Clarify not only ensures crystal-clear water but also actively works to enhance the performance of your filtration system. By optimizing the functionality of your filters, this product effectively captures and removes even the smallest particles, ensuring that your water remains pristine Compatibility: Clarify can be used with most sanitizing systems and is compatible with all pool surfaces. It is designed for use in properly balanced spa water. Standard Dosage Rate: (No premixing required.) 1oz per 500 gallons of spa water Tested and Proven Effective: Natural Chemistry products are known for delivering reliable results and making water care less complex. Natural Chemistry carries an extensive line of pool and spa solutions that match your unique needs. Natural Chemistry Clarify (1 qt) (2)