b'Cell & Filter CleanersStopping or removing grime & organics building up in filters, improves & enhances chemical performance. Use Pool Magic Filter Degreaser/Cleaner twice a year for best results. Avoid using a diluted version of Hydrochloric Acid for cleaning your Salt Cell as it may cause damage to the cell and void your warranty, use Pool Magic Salt Cell Cleaner.*Ensure your pool water is always balanced and is in a pH range ofbetween 7.2 to 7.6. The Langelier saturation index range must be between -.02 to +.02, failure to do this will void your warranty on your salt chlorinator.57'