Leisure Time Spa Defender 32 oz


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Leisure Time Spa Defender is a liquid formula that is specially designed to prevent scale formation caused by calcium in your spa or hot tub. It also effectively removes existing scale and prevents dissolved solids from separating into spa and hot tub water and helps keep your equipment running smoothly. It is compatible with chlorine, bromine, ozone, and biguanide sanitizers.

Leisure Time recommends Spa Defender to be used as part of the Simple Spa Care Program.

SKU: 785336302102 Category: Brand:


Elements in your hot tub such as pump seals, plumbing, heaters, and surfaces can calcify due to continuous exposure to calcium that is present in spa water. If not addressed, this can cause significant damage to your spa over time. Using Spa Defender on a regular basis prevents calcium formation and reduces existing buildup. Non-foaming Spa Defender by Leisure Time prevents precipitation of dissolved solids, calcification of important components, all while improving the overall clarity of hot tub and spa water.



1. Add directly to spa. Use 2 oz. for spas up to 800 gallons. Use 4 oz. for spas over 800 gallons.
2. Run filtration system for one hour, or normal filter cycle.


  • Non-foaming and easy to use
  • Prevents scale formation
  • Aids in the removal of existing scale
  • Prevents dissolved solids from separating into spa and hot tub water
  • Compatible with all other hot tub chemicals
  • Protects plumbing, heaters, pump seals, and surfaces from calcifying

Spa Defender is extremely helpful in protecting your spa’s equipment from calcium damage.





Leisure Time


32 oz


Scale Prevention, Calcium Protection


Blended Organic Polymer




All Other Spa Chemicals


Add Directly to Water

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