Return line question

[hgren]

You don’t get the same flow at 1ft as say 5ft. The rating on pump is not the flow you are getting.

Oh I see! Thank you

 

[hgren]

I'm

Dual return helps with a more dispersed flow, but you will still need powerheads to eliminate dead spots. It also depends on your rockwork. You also get a bit more headloss, but its shouldn't make or break the viability of the same pump.

Thinking about mp10 with reeflink + stock pump. Or do I have to upgrade my stock pump?

 

[Reef-junky]

Oh I see! Thank you

The rating on the pump is at 0ft. Let’s say we are looking at an eheim 1046. It says the pump speed is 79gph with a max height of 3ft 11”. Now let’s look at the head loss chart for this pump. You can see the speed 79gph is at 0ft and when we look at 3ft 11” the pump has a speed of 0.

 

[Reef-junky]

AC pumps are on or off you can’t adjust the speed. Some have a thing that you can slide back and forth on the input to slow it down but the best way is to T off the output like so.

 

[Reef-junky]

I'm

Thinking about mp10 with reeflink + stock pump. Or do I have to upgrade my stock pump?

The flow for the tank should come from your power heads not your return pump. The amount of flow depends on the type of tank you want

Fish only

Or

Reef
If so what type of corals

 

[hgren]

The rating on the pump is at 0ft. Let’s say we are looking at an eheim 1046. It says the pump speed is 79gph with a max height of 3ft 11”. Now let’s look at the head loss chart for this pump. You can see the speed 79gph is at 0ft and when we look at 3ft 11” the pump has a speed of 0.

Good information. I understand little bit better now.

AC pumps are on or off you can’t adjust the speed. Some have a thing that you can slide back and forth on the input to slow it down but the best way is to T off the output like so.

My set up is AIO I don't have sump like this.
Its IM Nuvo 14 Peninsula.

The flow for the tank should come from your power heads not your return pump. The amount of flow depends on the type of tank you want

Fish only

Or

Reef
If so what type of corals

It's going to be reef. I like to keep a clam and montipora in my setup. But going to have few softies and lps also such as hammer. I just like that random flow generator from return line pump.

 

[Reef-junky]

Yeah your sump is built into the back of the tank. I’m sure your space is very tight and limited. What you can do is fill a cup from the the return line at the top of the tank and figure out your true pump speed.

 

[Reef-junky]

General guidelines

 

[Goodair]

If thats your tank, you only need to look at 1-2 foot headloss, since are essentially going straight back to the tank with minimal fittings. There is alot of debate on how much water should be cycled through the sump but its usually 2-5x imo. Than corals you want to keep can dictate on how much more turnover you need from your powerheads. This is where a bulk of water movement will come from.
The post @reef-junky put is good for getting your that value, and you can just look at coral/clam requirements to know what power heads to buy.

 

[FishyDP]

Every elbow you add will add head pressure as well. If you T off your single line return you will be adding more head pressure with the additional elbows, and your pump will work a bit harder. As other have stated, unless your tank is 90-100g+ probably no need to do so. I also agree with lower turnover so your filtration has a chance to do its job. I