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Product Reviews
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ProductsPumps, Filters, MediaExternal Pumps
Rainbow Lifegard Quiet One Pump
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Product Description:
Rainbow Lifegard Quiet One PumpThe Lifegard Quiet One is absolutely the quietest running external pump available for salt or fresh water aquariums. Much less expensive than magnetic drive pumps of equal capacity, this pump is pre-primed with distilled water and factory sealed to guard against mineral deposits which might foul the bearing surfaces. The wet rotor chamber is completely isolated from circulating water. The Quiet One pump uses only 87 watts and is very energy efficient. The Quiet One has a Single Speed Motor rated at 1140 g.p.h. at full flow and yields 724 g.p.h. through a 1" line at 4 feet. Includes 3/4" and 1/2" fittings; female inlet, male outlet.
Product Specifications:
User Ratings: (5 reviews)
Overall: 6.90
Value/Cost: 6.20
Effectiveness: 7.20
Quality: 6.00
Ease of use: 8.20
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Found: 5 reviews Page  
kmuda has used this product for 3 Years or More.
Overall Rating: 9/10 November 29, 2009
"No Complaints"
I use two Quite One 2200s and a Quite One 4000. I am happy with each. The Quite One 4000 is a surprisingly powerful pump. I'm using it to push a 20 Micron filter which leads into a 7' tall DIY Denitrate Tower constructed of 4" PVC. No problem for this pump. I even have to throttle the flow back to about 1/4th the capacity of the pump to keep the flow within the 30-50gph needed for the Denitrate Tower.

The Quite One 2200s serve as return pumps on sumps. All have been in use for multiple years. Lost one impeller in that time frame.

I run each pump submerged. Noise has not been an issue.
djhnd has used this product for 3-12 Months.
Overall Rating: 6.25/10 October 28, 2005
""Quiet compared to what" is right."
This thing has been noisy from the get-go; when I called the company and they heard what it sounded like over the phone, they sent a new impeller which made NO difference AT ALL. It's been running for about six months now, and is beginning to make an occasional high screeching noise. I have the 4000 driving an ocean clear canister. It seems to have enough oomph, but the noise level is absurd. I certainly wouldn't call it the quiet one. Maybe other pumps of this gph sound like jackhammers, but I don't plan on having this running too much longer.
Hongi has used this product for 0-1 Month.
Overall Rating: 3.75/10 January 13, 2005
"Quiet compared to what??"
I am reviewing the latest model of Quiet One pump, as Rainbow Lifeguard is now known as Pentair Aquatics. The quiet one series has been re-designed, probably with cheap manufacturing in mind.

This pump is louder than the broken Fluval canister it is replacing. It sounds like marbles are rattling around in there. I took it apart and all looks fine. I thought it may be a restriction in my line, so I submersed it in the tank and you can hear it rattling away underwater. Totally unacceptable. Beware of this product if you really want a "Quiet One".
scubadude has used this product for 3 Years or More.
Overall Rating: 9.25/10 March 5, 2006
"it is the quite one"
makes my 135 gal tank quieter than my 55 gal,havehad it in my wet/dry now for 3 years the pump is still quite and has a good flow, however th housing is rotting out on the bottom around the intake port but the motor is fine.my first one only lasted a year and the manufactor replaced it with a newer model and its been in my tank for 3 years now. i noticed some noise but it was my return line placement causing the noise moved the hose and no more noise
Marky has used this product for 3 Years or More.
Overall Rating: 6.25/10
"Requires a cooling fan when driving a micron cartridge"
I've got two of the Quiet pumps running. This pump is VERY quiet. In fact you can't hear it at all in my living room.

However the pump runs hot if it sees very much back pressure which is what happens when pushing through a micron cartridge. It has a thermal overload breaker which shuts off the pump and restarts it once again when it cools down. Mine kept cycling off and on every hour or two.

To me this is NOT a good thing as we don't want our pumps to stop. Cuting off the oxygen supply to our tank and bacteria bed isn't good. However I solved this easily with a small computer style fan from radio-shack. I recommend the 12 volt DC fans as opposed to the 120 volt fans because they are MUCH quieter.

I've got one pump that has been running without problems for about four years and another which is only about six months old.

I like the pumps and think they work great. My only gripe is the requirment for a cooling fan when back-pressure is experienced.

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