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Old 11-24-2018, 08:47 AM
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RO booster pump?

At what water pressure level do I need to add a booster pump?

Read online that increasing the pressure to 75 -85 psi drops the TDS resulting in less use of DI resin.

Any opinions
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Old 11-24-2018, 11:39 AM
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Can’t speak for the TDS and use of DI but my pressure was around 35 psi so decided to get the booster pump. Pressure is now about 80psi and much better and faster performance of the ro/di.
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Old 11-25-2018, 01:19 AM
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IMO, you should add a booster pump if your pressure is under 50 psi.
The original TOTM holder of MR
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Old 11-25-2018, 02:24 AM
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Remember its the membrane that needs the pressure to process the water.

Event at 50 PSI once the water goes through sediment and carbon block it will quickly drop pressure.

I agree with the statement that booster pump is needed with pressure any lower than 50-55 at tap.
There comes a time in this hobby when it's just cheaper to silicone around the windows.
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