We moved into a new construction home in March and have been dealing with cloudy water ever since. We had culligan come out and they said it was very fine clay sediment. (we have a water softener through them)The only solution they had was adding something to the water to make the particles bigger and easier to trap with filter. I really don't like the idea of adding something to our water. We have a big blue filter and I buy the .5 micron filters, change it weekly and the water is still rarely clear. I hate giving my kids baths in that cloudy water...I feel like we aren't really getting clean because we are bathing in dirt. Please help! Do you know of a solution?
The suggestion you got is actually the most common method of treating cloudy water, also referred to as "turbidity." The system they described would inject alum (aluminum sulfate) into your water, causing the cloudy particles to flocculate (that is, mass together) into bigger particles which can then be removed by a backwashing filter. This is the same method for treating turbidity that is used in municipal treatment plants. The dosage of alum must be just right, though, and often requires frequent adjusting when using this method. Luckily, it is possible to treat cloudy water without adding chemicals to your water, via a method called ultra-filtration.
Sediment Filter 7000-SXT 2.5 CF
You could, alternatively, use just a sediment backwash filter and 1 micron filter, but this may not be as effective at treating your turbidity. The combination of the sediment backwash filter and UF membrane, however, will work very well for your application. These systems can be easily installed by any plumber, and won't require frequent maintenance. See the diagram below for an illustration of a standard installation of these systems:
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