Troubleshooting
Cloudy water
Frequently
caused by
improper start
up. See Start Up
and Install
Nature
Spa
2®
sections.
Algae
Algae may be
caused by
insufficient levels
of sanitizer and/or
inadequate water
circulation.
Stains
Scale
Problem
Spa
filtration
Algae
growth
Unbalanced
water
Green or
white algae
Blue/green
Red/brown
Black
Metal
tarnishing
Crusty
deposits
on spa
surfaces
9
What to look for
Slow filter turnover rates.
Hazy spa water; may have slightly
green appearance.
1. High hardness
2. High TDS (total dissolved solids)
3. High pH
4. High total alkalinity
Pea green to white color; attaches
to spa walls, sometimes colors the
entire body of water.
Copper or iron from spa equipment
corrosion or water supply.
Iron or manganese from equipment
corrosion or water supply.
Manganese in water supply.
High native mineral content in
water; unbalanced water.
High pH and high total alkalinity.
High TDS (total dissolved solids)
or high hardness.