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Old 12/04/2017, 08:06 AM   #1
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Join Date: Oct 2000
Posts: 143
IM 20 gal Return Pump

Just set up the IM 20 gallon peninsula and the 211 gph return pump is noisy. Anyone replace this pump with a quieter pump?


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Old 12/04/2017, 10:42 AM   #2
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Location: Huntington Beach
Posts: 4,370
I replaced mine with a Cobalt MJ900. Dead silent

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Old 12/04/2017, 01:32 PM   #3
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I bought a Rio 1400 about a month ago and literally just turned it on for the first time. Im a bit disappointed with it. Its very loud. Im going to give it a few days and if its not any quieter, i will be replacing it.

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Old 12/04/2017, 01:52 PM   #4
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Location: Orchard Park, NY
Posts: 257
I have the Nuvo IM 24, that has two return pumps. I replaced mine with two Sicce Syncra 1.0's. Perfect replacement and makes zero nosie.

I take others advice, but only Truly learn from my own experience.

Ammonia/Nitrate: 0; Calcium: 420; Magnesium: 1350; Alkalinity: 8.3dKH; Salinity: 1.025; Temp abt 79.

Current Tank Info: 90g Mixed Reef; 75g Fuge; PM r36 SUMP; PM RL150; RB Photon 48
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Old 12/07/2017, 01:44 AM   #5
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Location: Lockport, NY
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I have a Cobalt MJ 1200 on my IM 20, and it is a good fit, quiet, and sufficient flow.

Another good option I have seen mentioned for this aquarium is the Sicce 1.5, which would give a bit more flow than the MJ 1200 (357ghp vs. 295gph).

7 reef tanks, 5 freshwater tanks, 2 terrariums, 2 dogs, 3 boys, and 1 very understanding wife!

Current Tank Info: Marine: Pair of 40B's, 45W, 50g cube, ADA 45F at home...IM Nuvo 20 and 10 at office!
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