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Jandy
®
TruGuard
™
& Cartridge
What to look for
Stains
Copper or iron from pool
equipment corrosion or
water supply.
Stains
Iron or manganese from
equipment corrosion or
water supply
Stains
Manganese in water
supply
Stains
High native mineral
content in water; unbal-
anced water.
Scale
High pH and high total
alkalinity
High TDS (total dis-
solved solids) or high
hardness levels.
| Owner's Manual
Problem
Blue/green
Red/brown
Black
Metal tarnishing
Crusty deposits on
pool surfaces
ENGLISH
Treatment
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 pool.
6. Test and balance water.
7. Test pool water for dissolved
metals.
Clean with soft cloth and
mild detergent. Test water for
minerals; use a sequestrant;
and maintain water balance.
Adjust pH and total alkalinity to
ideal ranges.
1. Replace a volume of pool
water with water low in hard-
ness and dissolved solids.
2. Use sequestrant to prevent
scale buildup if high hardness
levels are a continuing problem.
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