Dual Pumps or Single

I am thinking about running dual jingway(EK,Danger Den,Phobya)in parallel to have good pressure and the pumps can be bought for $70 for the pair.
The set up would be to Y the RES outlet to feed each pump and Y to bridge them back to a single outlet to feed the loop. This would also add Redundancy in case of a pump failing.

Other option is a D5 variant pump.
4 answers Last reply
More about dual pumps single
  1. If I am not mistaken 2 pumps like this will fight each other more then add any extra benefit. and if one pump fails it could also fight it self and not add any flow at all to the line.

    but It's better if you wait till some one a little more experienced with pumps chimes in.
  2. 2 pumps are usually just fine in a loop together, but it really depends what you plan to do with them and how you setup your loop. Pumps aren't going to fight each other unless you have 2 pumps of different spec and you could encounter some flow issues where the lower flow pump could restrict the higher flow pump, but wouldn't cause damage...just lower flow and restriction.

    I've been running my D5 for around 7 years (just an estimate) and it's still going strong.
  3. If you do have two pumps its best to have them in series, not parallel,
    I vote for a single D5 as well
  4. I not not so experienced with the pumps. his description reminded me of our aquarium issue that we had so many problems with for a while till we removed one pump saving our coral.
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