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.
Prevents iron and other metal buildup from staining spa finish
One time application - good until next refill
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. Compatible with chlorine, bromine and biguanide sanitizers
Turn off ALL equipment
Pour entire bottle contents evenly around spa edge
Run filter for at least 30 minutes
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