Spa Scale Defender prevents calcium formation in hot tubs. Inhibits chalky surface & filter lime buildup. Prevents premature heater failure. Improved - more active ingredient, less water formula. Use with Metal Stain Preventer for superior water quality.
- Defends against damaging scale
- Concentrated lower-dose formula
- 16 oz. bottle
Product notes: Just 1 oz. concentrate treats up to 400 gallons. Guaranteed to equal or outperform Leisure Time Defender.
I just started using the filter a few months ago. So far it keeps the water clear. The defender chemical seems to work well too as the spa appears to be scale free. I put one once per week.
So far, working well. Update to follow.
used in our spa
I used to purchase items from you guys that were larger size for less money 😔
Easy to use. Seems to work as described
Scale Defender is the best way to keep water free of scale.
Use products in hot tub
I been using product since 2015
This always works well in my tub.