Troubleshooting
10
Problem
What to look for
Cloudy water
Spa
Slow filter turnover rates
filtration
Algae
Hazy spa water; may have slightly
growth
green appearance.
Unbalanced
1. High hardness
water
2. High TDS (total dissolved solids)
3. High pH
4. High total alkalinity
Algae
Green or
Pea green to white colour; attaches
white algae
to spa walls, sometimes colours the
entire body of water.
Note: Do not use algae treatments containing copper.
Stains
Blue/green
Copper or iron from spa equipment
corrosion or water supply
Red/brown
Iron or manganese from equipment
corrosion or water supply.
Black
Manganese in water supply.
Metal
High native mineral content in
tarnishing
water; unbalanced water
Scale
Crusty
High pH and high total alkalinity
deposits
on spa
High TDS (total dissolved solids)
surfaces
or high hardness
Algae may be
caused by
insufficient levels
of oxidizer and/or
inadequate water
circulation.
Frequently
caused by
improper start
up. See section
on Start Up and
Install the
Cartridge.
