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I was thinking this model 3.5 would be best but still unsure
For a standard return pump you will want 10x your system volume (the sicce 3.5) many people will take head height into consideration for example the Sicce 3.5 has 660 gph at 0' height. at 12.5' the flow will be 0 GPH. At 6' for example the flow will typically be around 300 GPH. This means you also have the option to up-size the pump to account for head height. Feel free to let us know if you have any further questions!
Most likely it would be fine but you will usually find a required or recomended flow rate in your protein skimmers specifications. Assuming that falls somewhere into this flow range as most skimmers for a 76g tank would you should be in great shape!
- 3 Year Manufacturer's Warranty with online registration
- Synchronous motor and advanced rotor result in 100% silent operation
- Adjustable flow rate
- Ceramic shaft and bearings
- Durable rotor and shaft
- Applications: saltwater aquariums, protein skimmers, indoor fountains
- Submersible or in-line use
- 6 Ft cord
Quick Compare - Sicce Syncra Silent Submersible Pumps
|Model No.||Flow Rate||Power Consumption||Amps||Head Maximum||Inlet/Outlet||Dimension (Inches)|
|0.5||185 GPH||8W||.12||4 Ft||0.5" - 0.7"||3.5" x 1.9" x 2.8"|
|1.0||251 GPH||16W||.25||5 Ft||0.5" - 0.7"||3.5" x 1.9" x 2.8"|
|1.5||357 GPH||23W||.43||6 Ft||0.6" - 0.8"||4.0" x 2.4" x 3.1"|
|2.0||568 GPH||35W||.65||6.5 Ft||0.8" - 1"||4.8" x 3.3" x 4.1"|
|3.0||714 GPH||48W||.43||9.9 Ft||0.8" - 1"||4.8" x 3.3" x 4.1"|
|3.5||660 GPH||68W||.7||12.5 Ft||1" - 1.2"/0.8" - 1"||6.8" x 3.9" x 4.6"|
|4.0||951 GPH||85W||.85||12.5 Ft||1" - 1.2"/0.8" - 1"||6.8" x 3.9" x 4.6"|
|5.0||1321 GPH||105W||.95||12.6 Ft||1" - 1.2"/0.8" - 1"||6.8" x 3.9" x 4.6"|
|HF 10.0||2500 GPH||145W||1.7||16.4 Ft||1" Barb - 1" MPT||11.38" x 6.29" x 6.69"|
|HF 12.0||3200 GPH||165W||1.9||17.05 Ft||1.5"||11.38" x 6.29" x 6.69"|
|HF 16.0||4200 GPH||190W||2.0||15.4 Ft||1.5"||11.38" x 6.29" x 6.69"|
Efficient but vibrates too much By Shark on 2/9/2017Shark would recommend this product to a friendI've been running this pump for 2 years now. For 99% of the time I have owned it, it vibrates everything while humming. The entire plumbing assembly vibrates. Im sure this bothers the fish. It bothers me. Nothing fixes it. Trust me Ive tried everything. Do yourself a favor and buy an external pump. All I can say is at least it is reliable. 3 stars for that.
Powerful and quiet By Anibal on 10/21/2016Anibal would recommend this product to a friendThis pump is a silent beast. Extremely reliable and easy to setup.
Well made! By Russ K on 7/2/2015Russ K would recommend this product to a friendThe pump is a solid and quiet. The "NPT" fittings work great with the included adapters, but leak easily when plumbed directly - even with Teflon tape. I did not want to go too thick on the tape and risk cracking the connection, so I added a bit of silicone to the threads and finally got a seal. Looks great externally. The shroud that covers the inlet is a nice touch to hide the fittings.
Quiet, but head height is significant. By Jim on 12/27/2014Jim would recommend this product to a friendThis is a really nice quiet pump. Be sure to review the head height vs. flow chart carefully. This pump loses flow pretty rapidly compared to some others based on the height of your return.
Energy efficient, but not silent By Liz on 8/13/2014Liz would recommend this product to a friendThere's nothing "silent" about this pump, it emits a loud hum like all the others (though maybe quieter? I'd like to see decibel noise comparison readings on these products that claim to be quieter). I bought it for the energy efficiency/reduce heat in the aquarium. The flow adjust valve is easy to reach/turn. Provides ample flow for a 40 gallon aquarium with a 5' return from the sump.
Excellent pump By Corey on 12/28/2013Corey would recommend this product to a friendI ordered this pump about 3 months ago after some thorough research. This is an awesome pump for the price, very quiet! The included output adapter made it easy to connect 1" vinyl tubing. Overall, I'm very happy with this pump.