Especially designed to prevent scale formation in spas and hot tubs
Features:
- Prevents scale formation
 
- Aids in the removal of existing scale
 
- Prevents dissolved solids from separating into spa and hot tub water
 
Dosage:
- 2 oz. for spas up to 800 gallons. Use 4 oz. for spas over 800 gallons
 
- Run filtration system for one hour, or normal filter cycle
 
Tips:
- Control of calcium can be very challenging, especially in spas
 
- Regular use of Defender will prevent mineral buildup from occurring and causing the spa's heater or equipment to fail
 
- Use as a follow-up to Metal Gon, applied at start-up
 
- Compatible with chlorine, bromine, ozone and biguanide sanitizers
 
Application:
- All In-Ground Spas and Hot Tubs
 
- All Freestanding or Portable Spas and Hot Tubs