Plumbing Experts, critique my plumbing idea...

ZoaFan08 · 02/08/2009, 07:44 PM

According to my math my 1.5" drain will flow 1325gph into my sump, I am using a QuietOne 9000 which flows 2328gph with zero head. Since I have a combined 7ft of head, 12 90*s, and a reducer from 1.5" to 1" this pump will flow right around 1300gph with the way I have it plumbed. The QuietOne 9000 comes with a 1.5" fitting for the output which will be plumbed into a 1.5" pipe and then tees off to to 1" pipes. Should I have them tee off to two 3.4" pipes to keep a 1.5" the total diameter?

Please critique me and tell me yes, no hell no and even feel free to say I'm crazy

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Hop · 02/08/2009, 07:50 PM

No, bigger returns into the tank are better so that you have a wider, less forceful flow pattern.

That is a lot of flow through a sump... 3-5 times the system volume is recommended for a reason

as you increase this rate through the sump you need to increase the width and/or length of the sump to avoid microbubble issues and upsize the skimmer proportionately in order to maintain a per-pass efficiency. As you start getting higher and higher rates through the sump the overall system efficiency begins to decrease and your electric bill begins to increase

ZoaFan08 · 02/08/2009, 08:03 PM

Ok so I should only shoot for 360-600gph return?

Hop · 02/08/2009, 08:05 PM

I would shoot toward the 600... Easier to dial things back. It is just a general rule of thumb. On mine I found 7-8x is the sweet spot with the equipment I have. More and my skimmate decreases, less and I get algae on the glass quicker...

ZoaFan08 · 02/08/2009, 08:07 PM

Ok thanks hop, maybe I'll close off 2 of the holes or setup a closed loop.

Hop · 02/08/2009, 08:15 PM

See now your talkin

A dart on a 4-way!

ZoaFan08 · 02/08/2009, 08:23 PM

Guess I have some connectors to return to Home Depot! lol

02/08/2009, 07:44 PM	#1
ZoaFan08 Moved On Join Date: Jun 2008 Location: Alta Loma CA Posts: 1,211	Plumbing Experts, critique my plumbing idea... According to my math my 1.5" drain will flow 1325gph into my sump, I am using a QuietOne 9000 which flows 2328gph with zero head. Since I have a combined 7ft of head, 12 90*s, and a reducer from 1.5" to 1" this pump will flow right around 1300gph with the way I have it plumbed. The QuietOne 9000 comes with a 1.5" fitting for the output which will be plumbed into a 1.5" pipe and then tees off to to 1" pipes. Should I have them tee off to two 3.4" pipes to keep a 1.5" the total diameter? Please critique me and tell me yes, no hell no and even feel free to say I'm crazy [img]

02/08/2009, 07:50 PM	#2
Hop Carpe Noctem!!! Join Date: Jul 2004 Location: Western Colorado Posts: 8,548	No, bigger returns into the tank are better so that you have a wider, less forceful flow pattern. That is a lot of flow through a sump... 3-5 times the system volume is recommended for a reason as you increase this rate through the sump you need to increase the width and/or length of the sump to avoid microbubble issues and upsize the skimmer proportionately in order to maintain a per-pass efficiency. As you start getting higher and higher rates through the sump the overall system efficiency begins to decrease and your electric bill begins to increase __________________ Hop Current Tank Info: 300-gallon in-wall system (mixed reef)

02/08/2009, 08:05 PM	#4
Hop Carpe Noctem!!! Join Date: Jul 2004 Location: Western Colorado Posts: 8,548	I would shoot toward the 600... Easier to dial things back. It is just a general rule of thumb. On mine I found 7-8x is the sweet spot with the equipment I have. More and my skimmate decreases, less and I get algae on the glass quicker... __________________ Hop Current Tank Info: 300-gallon in-wall system (mixed reef)

02/08/2009, 08:15 PM	#6
Hop Carpe Noctem!!! Join Date: Jul 2004 Location: Western Colorado Posts: 8,548	See now your talkin A dart on a 4-way! __________________ Hop Current Tank Info: 300-gallon in-wall system (mixed reef)

02/08/2009, 08:03 PM	#3
ZoaFan08 Moved On Join Date: Jun 2008 Location: Alta Loma CA Posts: 1,211	Ok so I should only shoot for 360-600gph return?

02/08/2009, 08:07 PM	#5
ZoaFan08 Moved On Join Date: Jun 2008 Location: Alta Loma CA Posts: 1,211	Ok thanks hop, maybe I'll close off 2 of the holes or setup a closed loop.

02/08/2009, 08:23 PM	#7
ZoaFan08 Moved On Join Date: Jun 2008 Location: Alta Loma CA Posts: 1,211	Guess I have some connectors to return to Home Depot! lol