Reacts with any metal contaminant before it has a chance to form unsightly stains. Easy to apply, this concentrated formula prevents iron and other metals from building up in your spa.
Use with each refill to quickly neutralize metals in your spa and prevent unsightly stains.
Tips: The best time to treat for metals is when you first fill the spa or drain and refill the unit. Using Defender each week will control metals after the application of Metal Gon at start-up.



Applications Start-Up:
1. Turn off ALL equipment.
2. Pour entire bottle contents evenly around spa edge.
3. Run filter for at least 30 minutes.

Features:
Prevents iron and other metal buildup from staining spa finish.
One time application - good until next refill.