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.
1. Turn off ALL equipment.
2. Pour entire bottle contents evenly around spa edge.
3. Run filter for at least 30 minutes.
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.
Chlorine, bromine and biguanide sanitizers.