HTH Spa Pool Filter Cleaner 16oz

HTH Spa Care Filter Cleaner for Spas & Hot Tubs, (Pool Chemicals) #86123  Chemical Deep Cleans Filter, Extends Filter Life,  16oz  BENEFIT: Keep your spa filter clean with this easy-to-use filter cleaner IMPROVES PERFORMANCE: Deep cleans all filter types; Extends life of filter CLEAR WATER: A filter that works better ensures your spa or hot tub water is clean and clear COMPATIBLE WITH ALL SPAS: HTH Spa Filter Cleaner is great for all spas, including bromine, chlorine and biguanide YOU'RE ALL CLEAR WITH HTH: For best results, use HTH Spa Filter Cleaner as part of your regular HTH Spa care routine, or every 90 days when you change out your spa water