HTH Spa Liquid Filter Cleaner - 16 oz.

When used as directed this HTH Spa Filter Cleaner helps your filtration system work more effectively which not only helps keep the water looking clean and clear but also helps the filter last longer. HTH Spa Filter Cleaner is great for all spas including bromine chlorine and biguanide. 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.