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Water quality issues after filtration
Have the filters not been replaced for an extended period?
Yes
No
Replace filters.
Were the filters just changed, and did the water quality worsen afterward?
Yes
The filters may have been installed incorrectly, leading to poor treatment.
No
Does the treated water contain white flakes?
Yes
No
Is the treated water brown or red?
Yes
This could be due to hard water, which the Gravity Water system isn't designed to soften. Installing a water softener is recommended.
Note: Hard water isn't harmful to drink but can affect the water's appearance.
No
Is the auxiliary water source surface water?
Yes
The water may be contaminated with sediment like clay. Contact the Gravity Water Team for assistance (vietnam@gravitywater.org).
Is the auxiliary water source ground water?
Yes
The water may contain iron or manganese. Contact the Gravity Water Team for assistance (vietnam@gravitywater.org).
No
Uncommon water quality problem. Contact the Gravity Water Team for assistance (vietnam@gravitywater.org).
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