Water Quality and Maintenance
Page 26
FRESHWATER
Ag+
®
SILVER ION PURIFIER
REPLACEMENT INSTRUCTIONS
When replacing the Silver Ion Purifer (every four months), it is highly recommended that the spa be drained and refilled at
the same time. After refilling the spa with water, balance the Total Alkalinity (TA), Calcium Hardness (CH) and pH to the
recommended levels. Shock the spa by adding sanitizer, either MPS or sodium dichlor (See Sanitization Table for details).
1. Fold back the cover.
2. Carefully remove and set aside the filter compartment cover.
3. Remove any floating items within the filter compartment.
4. Locate the grey filter cap. Turn the filter cap counterclockwise until the cap can be removed from the filter standpipe.
5. Remove and clean filter cartridges.
6. Remove the existing FreshWater
Ag+
®
Silver Ion Purifier.
7. Install the new FreshWater
Ag+
®
Silver Ion Purifier into the filter standpipe. Do not force the FreshWater
Ag+
®
Silver Ion
Purifier down into the filter standpipe.
8. Reinstall the cleaned filter cartridge.
9. Replace and secure the grey filter cap.
10. Replace the filter compartment cover.
11. Fold the cover back into place.
WARNING: Never use the spa with the filter cartridge or filter standpipe removed!
SILVER IONS QUESTIONS AND ANSWERS
Question: How are the silver ions actually added to the water?
Answer: The silver ion cartridge contains ceramic beads that are infused with silver. By placing the cartridge in the filter
standpipe, it is subjected to the flow of water created by the jet pump’s operation. The flowing water, through a chemical
erosion process, carries with it the silver ions necessary to add a sanitizing residual to the spa water.
Question: What other types of oxidizers can be used during the active sanitation process?
Answer: As an alternative to the MPS, sodium dichlor (granular chlorine) may be substituted during the active sanitation
process. One teaspoon of dichlor equals two tablespoons of MPS.
Question: What happens if I do not add the weekly shock treatment?
Answer: The contaminants in the water may coat the silver ion cartridge’s ceramic beads, blocking the silver ions’ release
into the water. When this occurs, there will be no residual of silver ions present in the water, eliminating them from the
sanitizing process.
Question: How often should the FreshWater
Ag+
®
Silver Ion Purifier cartridge be replaced?
Answer: The cartridge must be replaced every four months. Please refer to the instructions provided with each
FreshWater
Ag+
®
Silver Ion Purifier cartridge.
Question: Why can’t I use bromine or biguanides instead of MPS or chlorine as my sanitizer?
Answer: Bromine and biguanides will chemically react with the sanitizing action of the silver ions. This will eliminate their
beneficial sanitizing effect.
Question: I see different types of MPS in my local pool supply store. Which one should I use?
Answer: Generally, two types of non-chlorine shock (containing MPS) are available: one for swimming pools and one for
spas. Use only non-chlorine shock designed for use in spas. Non-chlorine shock for pools may contain a clarifier (typically
blue crystals in the shocking agent). The clarifier will react with the silver ions and cause the water to appear cloudy and
reduce the effectiveness of the silver ions. Only MPS (buffered for pH) designed for use in spas with an active ingredient
percentage of 30-33% is recommended.
DOS AND DON’TS
• DO add MPS (or other approved sanitizing activator) prior to each use.
• DO shock the spa weekly with sanitizer (use either MPS or sodium dichlor).
• DO change the FreshWater
Ag+
®
Silver Ion Purifier every 4 months.
• DO test Total Alkalinity and pH weekly.
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