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Bulk Reef Supply

Glycerin Filled Pressure Gauge 1-100 PSI - Bulk Reef Supply

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Why does BRS recommend this?

The Glycerin filled pressure gauges are our preferred gauge.  Compared to an air-filled gauge they will be much quieter as water has a tendency to vibrate when running, as well as lasting much longer as the oil in the gauge will soak up the vibrations which can cause excessive wear on air-filled gauges.


Sufficient PSI is very important for the correct operation of a reverse osmosis unit. Low water pressure is a leading cause of poor RO system performance. A pressure gauge assures that proper pressure is being supplied. It will also make pressure drops apparent which can tell you that sediment and carbon blocks need to be changed.

Glycerin filled pressure gauges absorb vibration and pressure spikes increasing service life. This glycerin filled pressure gauge comes assembled with 1/4" quick connect fittings for quick easy installation in-line before the RO Membrane. This item is designed for use with our saltwater aquarium line of RO systems.


Pressure Gauge Installation Instructions

More Information
Product Name Glycerin Filled Pressure Gauge 1-100 PSI - Bulk Reef Supply
SKU 200215
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Product Questions

Does this have to be oriented vertically?
Question by: Doug Brewer on Dec 11, 2016, 3:11 PM
Great question! This does not have to be installed in a vertical position to read pressure. :-)
Answer by: Randy on Dec 14, 2016, 1:00 AM