Dart enought flow?

murphreef

murphreef

Active member
setting up my new lee mar 180

using an OM 4way on my closed loop wanted to run a sequence dart to save money but i dont think its guna produce enough flow

what do u guys think??

or should i go for the bigger Barracuda pump for the closed loop

guna be keepin mainly sps

thanks!
 
I have a Dart on a 90 gallon. If I were to double the size of my tank I would want to double the pump flow rate. So you should consider the next larger pump size.
 
I run a Dart just for mid-flow closed loop on my 120, then I use a Pan World 150-PS to power 2 eductors on another closed loop and then I have the returns. Tank dims are standard 120, 4x2x2.
 
I have a dart on a 90, am thinking of adding a second one so my recomendation would be larger pump, or 2 darts. But I do love the pump.
 
I have two darts on my 150 and like them better than the cuda. I had the cuda and it was way to big, heavy and produced more noise and heat then two darts.
If you are putting it under your cab might want to go with two darts instead. Here is a pics of the difference.
(that skimmer was a loaner until my euroreef showed up)
DSC01160web.jpg

dart_plumbing2Medium.jpg
 
ok so im gathering not enough flow for a 180 then...

i wanted to run a oceans motion 4 way how can i do this using 2 pumps then.... hmmm .. maybe run one on the 4 way then the other just drop down to extra returns over the side?

i do have 2-1.5" drain holes for the closed loops one on each side of the back panel so i could make 2 closed loops then

what do u guys think?
 
go 2 darts, one on the OM, one regular.
or go 1 dart on the OM and a pressure pump/eductors
or 1 dart and a pair of tunze's


Any of these combo's will give your tank good water movement.
 
I would do am 1 dart + OM and then 1 pressure pump w/eductors. The eductors will give you crazy flow and then the dart + om will give you a nice random action in there to break up the eductors and put it everywhere.
 
im sorry but what would be an example of a pressure pump??

and what exactly are enductors i havent heard of those before...

sounds like that set up u mentioned could give some crazy flow huh?
 
cool thanks ill have to check those out and see what to do

so im gathering u use them and they make a big difference in your tank??
 
i dont see why everyone says the dart isn't enough, i have a dart on an OM 4-way and I can barely keep the sand down with the flow im getting out of it. that combined with the return pump is working great for me on my 180.
 
Yes I have 2 Eductors on a closed loop in my tank being powered by a Pan World 150-PS. It pushes roughly 8gpm per eductor then you take the power of the eductor (8gpm x 4 == 32gpm) is what it is outputting in the tank. So one closed loop is pumping 64gpm since there are 2 eductors.

They make quite a bit of difference although they do require a pressure rated pump to work good. It is quite amazing at how powerful they are.
 
hey Kozmo what kind of corals are u keeping in your 180? u keepin sps ok in it?

do u have any pics of the set up??

i talked to Paul at oceans motions and he spent like 40 mintues talkin to me about my system and was tellin me a dart would be pleanty with an ocean motion if i do the set up right since its meant to move water in a circular motion from back to front to up to overflow and back again....

he said hes got a 180 also using a dart and a little giant mdq4 for his sump return and he says it does a great job....

im getting some mixed info here what do u guys think?
 
It all depends on what you want.

I'm running a BB tank so I have to have a fair amount of flow since I'm trying to minimize my siphoning, trying to let the pumps work for me by getting everything to the skimmer.
 
gotcha on that.... makes sence to try to make everything to stay in the water column to get to the overflow...

do barebottoms require more flow then??

i want to have a 1" sand bed i like the looks of sand
 
my return pump is also a dart but its turned back a bit with ball valves because it feeds a 100g refugium and a calcium reactor and the display.

i dont have any pictures of the tank actually but i set the OM up the same way Paul described it to you, the tank is SPS dominated with just a few LPS, ricordea, and zoa's and a couple of clams, other than that its all SPS and they are doing great.

believe me, it is a lot of flow, i got the OM nozzles he sells and i had to move those around quite a bit to find the right spot to where i wouldnt have a sand storm. if i had a bare bottom tank it wouldn't be as much of an issue, but with sand its a bit harder and the flow is great.

i really wouldnt recommend going much larger than a dart, or at least find someone in your area that uses a dart and see for yourself how strong it is before you make a final decision, although it isn't pressure rated, it still has kick to it.
 
thanks for the reply!

yeah from what paul said a dart would be fine...

so it sounds like from your experience it can be done that way and save some money on the electric bill

i dont know anyone out here running a dart ill have to check around and see
 
im going to be setting up a 180 and was talked out of the cuda in favor of the dart, look at power consumption alone to make the decision. i wasnt sure if the dart would cover the head but according to those that have done it, kozmo and his bro among others, it does fine. having a pair of tunzes already doesnt hurt.
 
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