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Although Chlorine Tablets are still available, we strongly recommend that they aren’t used in Acrylic Hot Tubs and Swim Spas. Over the years, we have seen damage caused to various components like headrests, jets, filters, and covers in hot tubs and swim spas, as well as acrylic issues like bleaching and burns/blisters.
We want your hot tub to last as long as possible without too many issues caused by chemicals. Most chemicals won’t cause too many issues if you follow the labels and application instructions. However, accidents can happen, and chemicals that are generally safe can become more aggressive and cause problems over time. Chlorine Tablets have been shown to be one of the most problematic.
Use an alternative like Bromine Tablets or Stabilised Chlorine Granules. Bromine tablets kill bacteria like Chlorine tablets, but they don’t have the same negative side effects over time, and Acrylic manufacturers approve them. If you’re using O2 soft and gentle with Chlorine Tablets in a floating dispenser, we recommend switching to Bromine tablets, as they can be used in conjunction with O2.
If you prefer not to use Bromine, Stabilised Chlorine Granules are another option. These granules dissolve instantly, but they require more frequent additions and testing of the water. Chlorine granules don’t contain the same aggressive compounds as Chlorine Tablets, making them more suitable for acrylic hot tubs and swim spas.
We hope that this information has helped you to regain your water clarity. These are guidelines, and it’s essential to maintain your spa chemicals regularly. Over time, spa water can absorb minerals, chemicals, and other materials, increasing total dissolved solids (T.D.S). When the T.D.S level reaches 1,500mg/l, it’s time to drain the water and refill it with fresh water. As a guide, it’s best to drain and refill your hot tub every 2-3 months. For more information, please call our office at 02392 471 073.