Danner 6404 First Impressions

Great air pump.

We can hear the tank bubbles, but nothing noisy from the pumps at all. Not to mention tank depth, etc becomes a factor. And one to the additional accessories for extra oxygen output only. Buzzing, humming, vibrating- they were driving me nuts! I added a check valve to my airline tubing and works as expected. The pump works very well in my 75G tank. My 20H tank is in my office, 3 feet away from my desk.

  • Editor's Impressions Of The Danner 6404
  • Pump Power
  • Build Quality
  • Value For Money
  • Feature Set

Danner 6404 Final Thoughts

I hope this helps anyone.

I use this on a 5-way valve for a 75 gallon tank. Buzzing, humming, vibrating- they were driving me nuts! It has one air outlet so i used a spliter& ran a tube to each end of bubbler. I use them in my Tilapia tanks and Koi pond. I put a wire tie Tightly over the tube and barbs and it's perfect. Make sure the hose is connected well. This happened to me with this unit.

Overall Score
4.5


(420 Points)
Check Price AVAILABLE ON AMAZON
  • Danner 6404 Features & Specs
  • Air volume 275 cu.In/Min.
  • Max water depth 4'
  • Provides oxygen to freshwater/Saltwater aquariums
  • Accepts standard Airline tubing
  • 6' Cord length
  • Manufacture: TopDawg Pet Supply
  • Product Dimensions: 9.13 x 3.13 x 3.13 inches; 1 Pounds

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