Check the listing for details. In The Swim Chlorine-Free Shock Bundle and Bromine Plus: Includes 40 Pound. Condition: New. Listed at 579.98 USD. Our chlorine free pool shock works well with bromine,andburns off dead chlorine cells to increase the amount of free chlorine in your pool water. Provides your pool with more fighting power to kill off contaminantsandkeep pool water safeandclean. Use chlorine free pool shock on a weekly basis to prevent algae growth and kill harmful organic contaminants, such as bacteria. Safer than common chlorine-based pool shock, you can swim immediately after use - no more waiting! Non-chlorine Pool Shock is ideal for weekly maintenance treatments. Chlorine free pool water shock treatments will provide you with the sanitizing results you need to keep your pool clean and safe for swimming without the negative side effects that commonly occur with chlorine-based shock treatments. By using chlorine free.