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to: Frequently Asked Questions Index
Yes,
we know nobody uses 36 or 90 gallons of drinking water a day. But you have to
see this as the "speed" with which the RO system makes the drinking water.
For example, a typical RO makes 15 GPD. This means it only produces about 0.6
gallons of water per hour at the standard pressure 60 psi
and at the at standard temperature 77 °F. So you need to wait at least
5-7 hours for a 3 gallon tank to fill! Not to mention, if your pressure is on
the low side, and if it is winter time (average winter U.S. water temperature
is only 35°F), then easily you can wait around
for up to half a day (12 hours) just for the tank to be filled again! Now you
see why a higher quality system needs to take speed into account. Let's take a
look at our 36/45 GPD Ultra RO System: it is going to only take about 1.7–3 hours for it to fill your tank*.
What a difference! Now you think 36/45 GPD is a good speed for a system, right!
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