Colored Water

Cause Immediate Corrective Action Preventive Follow-up
For Green (Hazy) Water

Green algae
See "Troubleshooting: Algae". Maintain 1-3 ppm Free Available Chlorine (FAC)
For Green (Clear), Brown, Black/Purple Water
Metals, Iron, Copper, Manganese

Have your Sustain System Dealer test pool water for FAC, Total Alkalinity, pH, and Calcium Hardness. Balance pool water.

Have your Sustain Dealer test source water for metals.

To eliminate metals, use a metal remover. Filter continuously until clear.

Backwash the filter.
Maintain balanced water.
Use a metal remover weekly if source water contains metals.