Disclaimer: The information provided by our Pool and Spa Care Specialists is provided for the user's convenience and is based upon the information provided by the user. Arch Chemicals, Inc. makes no representation with respect to the accuracy or usefulness of the recommendations provided. User uses the recommendations provided at their own risk. Recommendations will be based on an understanding of common causes of pool maintenance problems. Actual needs of a particular pool may vary based upon other factors such as climatic conditions, bather load, duration of use of particular products, etc.