A plugging factor used to determine the amount of particulate matter entering your RO. In an ideal operating system, the 15-minute SDI should be less than 3. Poor technique can cause highly variable readings.
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Eduardo Lopez · ·
A plugging factor used to determine the amount of particulate matter entering your RO. In an ideal operating system, the 15-minute SDI should be less than 3. Poor technique can cause highly variable readings.
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