Synergy Reef Shadow Overflow minimum flow rate?

mkj · 02/22/2018, 12:18 AM

Anyone know what the slowest I could run a beananimal that has three 1.5 drains and have it still work? I have a Synergy Reef Shadow Overflow. It's 16 inches long from my old larger build. My new build is only a 20G with a 20G sump. I know it's overkill but I would like to run my Shadow Overflow instead of buying a new one.

The rate I would like is 200-250g/h but I'm not sure I could run this slow with this overflow.

DesertReefT4r · 02/22/2018, 08:22 AM

Go with an Eclipse L overflow, has 3 drains for bean animal but are 1". I would think lower flow would not be an issue since the main drain is dialed in with a gate valve.

ca1ore · 02/22/2018, 10:05 AM

You can run it as slow as you want; it's just a matter of closing down the gate valve on the primary siphon.

mcgyvr · 02/22/2018, 01:15 PM

Quote:

Originally Posted by ca1ore

You can run it as slow as you want; it's just a matter of closing down the gate valve on the primary siphon.

Assuming that they do not use 1.5" plumbing all the way but instead drop down to something more reasonable sure..
But its characteristics will change drastically if you plan on using the same pipe size a you were on the other tank..

Thats why they make reducers though.. Just reduce down right away and go for it..

mkj · 02/22/2018, 05:26 PM

ok, thanks all. That's what I thought. I probably will just use the Shadow since I already have it and haven't cute holes yet. Better than buying a new smaller overflow.

Lsufan · 02/22/2018, 08:39 PM

I would reduce down at the bulkhead & use 1” plumbing. U can run whatever u want with the overflow box but u will have some issues trying to run 200 gph through 1.5” plumbing. I like to have as long of a overflow box as possible, so for me it would be the perfect size

02/22/2018, 12:18 AM	#1
mkj Registered Member Join Date: Nov 2006 Location: Vancouver Posts: 210	Synergy Reef Shadow Overflow minimum flow rate? Anyone know what the slowest I could run a beananimal that has three 1.5 drains and have it still work? I have a Synergy Reef Shadow Overflow. It's 16 inches long from my old larger build. My new build is only a 20G with a 20G sump. I know it's overkill but I would like to run my Shadow Overflow instead of buying a new one. The rate I would like is 200-250g/h but I'm not sure I could run this slow with this overflow.

02/22/2018, 08:22 AM	#2
DesertReefT4r Registered Member Join Date: Sep 2015 Location: Mesa Az Posts: 771	Go with an Eclipse L overflow, has 3 drains for bean animal but are 1". I would think lower flow would not be an issue since the main drain is dialed in with a gate valve. __________________ Tank history 29g tropical ,55g cichlid tank, 20H softy reef, 29g mixed reef, 20H brackish goby & puffer tank, 55g mixed reef, 6g Nanocube softy lps reef, 40B sps reef, 75g sps reef, 75g sps reef in bu Current Tank Info: 75g sps reef build in the works.

02/22/2018, 10:05 AM	#3
ca1ore Grizzled & Cynical Join Date: Apr 2006 Location: Stamford, CT Posts: 17,319	You can run it as slow as you want; it's just a matter of closing down the gate valve on the primary siphon. __________________ Simon Got back into the hobby ..... planned to keep it simple ..... yeah, right ..... clearly I need a new plan! Pet peeve: anemones host clowns; clowns do not host anemones! Current Tank Info: 450 Reef; 120 refugium; 60 Frag Tank, 30 Introduction tank; multiple QTs

02/22/2018, 05:26 PM	#5
mkj Registered Member Join Date: Nov 2006 Location: Vancouver Posts: 210	ok, thanks all. That's what I thought. I probably will just use the Shadow since I already have it and haven't cute holes yet. Better than buying a new smaller overflow.

02/22/2018, 08:39 PM	#6
Lsufan Registered Member Join Date: Nov 2013 Location: Baton Rouge Posts: 1,410	I would reduce down at the bulkhead & use 1” plumbing. U can run whatever u want with the overflow box but u will have some issues trying to run 200 gph through 1.5” plumbing. I like to have as long of a overflow box as possible, so for me it would be the perfect size