Free standard shipping on every U.S. order · Free 30-day returns
New here? Take 10% off your first order with code WELCOME10
Free standard shipping on every U.S. order · Free 30-day returns
New here? Take 10% off your first order with code WELCOME10
Free standard shipping on every U.S. order · Free 30-day returns
New here? Take 10% off your first order with code WELCOME10
Free standard shipping on every U.S. order · Free 30-day returns
New here? Take 10% off your first order with code WELCOME10
Free standard shipping on every U.S. order · Free 30-day returns
New here? Take 10% off your first order with code WELCOME10
Free standard shipping on every U.S. order · Free 30-day returns
New here? Take 10% off your first order with code WELCOME10
Free standard shipping on every U.S. order · Free 30-day returns
New here? Take 10% off your first order with code WELCOME10
Free standard shipping on every U.S. order · Free 30-day returns
New here? Take 10% off your first order with code WELCOME10
Free standard shipping on every U.S. order · Free 30-day returns
New here? Take 10% off your first order with code WELCOME10
Free standard shipping on every U.S. order · Free 30-day returns
New here? Take 10% off your first order with code WELCOME10
Free standard shipping on every U.S. order · Free 30-day returns
New here? Take 10% off your first order with code WELCOME10

Orders are prepared in 1–3 business days and arrive 3–7 business days after they ship. Alaska, Hawaii, Puerto Rico and remote addresses can take longer. You get a tracking number by email as soon as your order ships.
You can return an item within 30 days of delivery, no reason needed. We email a prepaid return label; items should be unused and in their original condition. Your refund goes back to your original payment method within 10 business days of us receiving the return.
If you have a question about an item or your order, email othercenter.us@gmail.com with the product name or order number. We answer every message by email and reply within 1 business day (Monday to Friday).
HTH Spa Clear Chlorinating Sanitizer is a 2.25 lb spa and hot tub treatment for sanitizing and shock treating chlorine-based spa water.
Spa and hot tub water care calls for a treatment that can serve both regular sanitation and shock treatment. This chlorinating sanitizer is made for those tasks and is intended for spa owners who want to include algae, bacteria, and other contaminants in their water-care routine. HTH recommends using it as part of a regular HTH Spa care routine.
It is designed to help manage algae, bacteria, and contaminants in spa water. Its chlorinating action also helps protect the water against chlorine loss, with the aim of supporting a more comfortable soak. The product is fast acting and leaves no sediment.
Yes. HTH Spa Clear Chlorinating Sanitizer is compatible with chlorine-based spas, making it suitable for owners maintaining a chlorine system. Its stated use covers both spa and hot tub water, so it fits those two settings.
Use it as part of a regular HTH Spa care routine for sanitizing and shock treating. The 2.25 lb product size provides the treatment in one package, while the easy-to-use format is intended to make spa water care straightforward. The product information gives no dosing directions, so this page does not prescribe an amount or schedule.
HTH Spa Clear Chlorinating Sanitizer is suited to spa and hot tub owners who use chlorine-based systems and want a treatment for both sanitation and shock care. It is intended for chlorine-system spa water, with algae, bacteria, and contaminants among the concerns it addresses. Its fit for that buyer comes from its stated spa use, chlorine-system compatibility, and 2.25 lb size.
Q: What is HTH Spa Clear Chlorinating Sanitizer used for?
A: HTH Spa Clear Chlorinating Sanitizer is for sanitizing and shock treating spas and hot tubs, and is designed to control algae, kill bacteria, and destroy contaminants.
Q: Is HTH Spa Clear Chlorinating Sanitizer compatible with chlorine-based spas?
A: Yes. HTH Spa Clear Chlorinating Sanitizer is compatible with chlorine-based spas and is intended for spa and hot tub water care.
Free standard shipping on every order to U.S. addresses, with no minimum. Orders are prepared in 1–3 business days and arrive 3–7 business days after they ship. Alaska, Hawaii, Puerto Rico and remote addresses can take longer. You get a tracking number by email as soon as your order ships. See shipping details.
Free returns within 30 days. You can return an item within 30 days of delivery, no reason needed. We email a prepaid return label; items should be unused and in their original condition. Your refund goes back to your original payment method within 10 business days of us receiving the return. See returns & refunds.
Damaged or wrong item? Email a photo to othercenter.us@gmail.com and we will make it right.
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