11
Treatment
1
Backwash and clean filter.
2 Run filter for 24 hours.
3 Increase run time per day.
Superchlorinate water with EPA registered source of
dichlor
1
according to manufacturer’s instructions.
Balance the spa water.
1 Check pH and adjust if necessary.
2 Superchlorinate water with EPA registered source of
dichlor
1
according to manufacturer’s instructions.
3 Repeat steps 1 and 2 until algae is gone.
1 Adjust pH and total alkalinity to ideal ranges.
2 Vigorously brush stained areas.
3 Add sequestrant.
4 Run filter.
5 Twelve hours later, superchlorinate the spa.
6 Test and balance water.
7 Test spa water for dissolved metals.
Clean with soft cloth and mild detergent.
Test water for minerals; use a sequestrant;
maintain water balance.
Adjust pH and total alkalinity to ideal ranges.
1 Replace a volume of spa water with water
low in hardness and dissolved solids.
2 Use sequestrant to prevent scale buildup if
high hardness is a continuing problem.
3 If remedial action has been taken, and problem still persists,
drain and refill spa.
Consult your Nature
2
Dealer for additional assistance or call 1-888-537-6657.
3
Start-Up
• Before starting up a new FreshWater
AG+
, clean debris and algae out
of the spa and spa equipment.
Important: Do not install the new FreshWater
AG+
until the spa water is
clean and chemically balanced.
• Balance spa water before installing FreshWater
AG+
.
- pH 7.2-7.6
- Calcium hardness 200-400 ppm
- Total alkalinity 80-120 ppm
- Total Dissolved Solids (TDS) 300-2000 ppm
Consult with your Hot Spring Dealer for specific water balance instructions.
Balance the Water
To find out if your spa water is balanced:
• take a water sample to your dealer to be tested regularly, or
• ask your dealer to recommend a spa test kit for water balance.
Element: pH Range: 7.2-7.6
If it’s too low: The surface of your spa can become etched. Metal
parts in the pump and plumbing will corrode.
How to fix: Add pH increaser.
If it’s too high: “Scale” forms on the surface of your spa. The water
can become cloudy. Equipment can become damaged.
How to fix: Add pH decreaser.
Element: Calcium Hardness Range: 200-400 ppm
If it’s too high: Rough, discolored deposits (“scale”) will form on the
spa surface and inside spa equipment.
How to fix: Drain or dilute the spa water. Consult your dealer.
Element: Total Alkalinity Range: 80-120 ppm
If it’s too low: It provides no buffer so that you constantly get
fluctuating pH readings, which can damage equipment and spa surfaces.
How to fix: Use an alkalinity increaser.
If it’s too high: The water becomes cloudy or milky white.
How to fix: Add acid to bring alkalinity down.
(14 strony)
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