Green water usually points to an algae problem
Algae can grow when sanitizer is too low, circulation is weak, filtration is not keeping up, or water chemistry is out of balance. Warm weather, heavy rain, high swimmer use, debris, and equipment problems can all contribute.
Adding chlorine is not always the complete answer
A pool may still stay green if the filter is dirty, circulation is poor, stabilizer is too high, debris is consuming sanitizer, or algae is attached to surfaces. The pool needs to be evaluated as a complete system.
What a Green-to-Clean service may involve
Depending on the condition, service may include debris removal, brushing, water testing, treatment, filtration support, filter cleaning, circulation adjustments, and follow-up visits.
When to call for help
If the water is dark green, visibility is poor, debris is heavy, the filter pressure is abnormal, or the pool has not improved after repeated treatment, a professional assessment can prevent more wasted time and chemicals.
This article provides general educational information. Pool condition, equipment, water chemistry, and site conditions should be evaluated before choosing a treatment or repair plan.