Go Back   Aquarium Advice - Aquarium Forum Community > Saltwater and Reef > Saltwater Fish Only & FOWLR

Join Aquarium Advice Today
Thread Tools Search this Thread Display Modes
Please support our sponsors and let them know you heard about them on AquariumAdvice.com
Old 08-06-2008, 10:02 PM   #1
Aquarium Advice Newbie
Join Date: Jul 2008
Posts: 8
water movement in tank

Hi all,

I think I saw something on this in another thread but I cant seem to find it now. So if I am being redundant in asking what may have already been answered then I appologize.

I am curious about how much water movement to have in a tank. More specifically a 46 gallon bowfront FOWLR tank.

I have a really nice 400gph hydor korolia mounted to the side of the tank and it seems to make what "looks like" the right amount of flow for the tank. All inhabitants seem really happy at least.

But i thought I had read that it is important to have lots of flow so this evening I also put my penguin powerhead into the tank as well. Using both powerheads made lots of flow, in fact to me it looked like too much flow , so I removed the penguin and am again going with just the 400 gph hydor.

My question is, is this the right thing to do? I know they say having waves is good for oxygenating the water but my bak pak skimmer would be doing that pretty well I would think based on all the tiny bubble it puts into the water within it to make the foam.

Any insight would be greatly appreciated.

nh iceman is offline   Reply With Quote
Old 08-06-2008, 11:54 PM   #2
Aquarium Advice Addict
Join Date: Aug 2006
Location: not here anymore
Posts: 5,338
If you are FOWLR, then what you have is probably OK. Rule of thumb is 10x-20x tank volume / hour turnover... the low side being a minimum and the high side more for corals. With no corals, I don't see 400 gph as being an issue. And you're right... your skimmer is probably oxygenating the water just fine.

If everything seems OK, it probably is.

Kurt_Nelson is offline   Reply With Quote
Old 08-07-2008, 12:34 AM   #3
Aquarium Advice Freak
lance's Avatar
Join Date: Jun 2008
Posts: 208
You are on the low side. And your HOB filter wont help with water circulation. Your HOB filter does help though. The amount of flow depends on your stock. Your fish recieve oxygen from a gas exchange from the surface and water flow is needed for proper Ow exchange along with removeing unwanted stuff like ammonia. Whenever in dought added flow never hurts. But dont use your HOB as a flow source. I would double your flow from powerheads as many low flow problems take time from months to yrs to appear.
lance is offline   Reply With Quote

movement, tan

Please support our sponsors and let them know you heard about them on AquariumAdvice.com

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
water movement will8 General Hardware/Equipment Discussion 6 08-08-2008 03:56 PM
water movement Cliffz Freshwater & Brackish - Planted Tanks 1 05-20-2007 08:22 PM
Do I have enough water movement? mnestroy Saltwater Reef Aquaria 2 04-10-2006 10:29 AM
Water movement for a soft coral tank? Electrobes Saltwater Reef Aquaria 7 01-19-2004 06:42 PM
Water movement New2Salt Saltwater Reef Aquaria 15 03-07-2003 11:35 PM

» Photo Contest Winners

Our Communities

Our communities encompass many different hobbies and interests, but each one is built on friendly, intelligent membership.

» More about our Communities

Automotive Communities

Our Automotive communities encompass many different makes and models. From U.S. domestics to European Saloons.

» More about our Automotive Communities

Marine Communities

Our Marine websites focus on Cruising and Sailing Vessels, including forums and the largest cruising Wiki project on the web today.

» More about our Marine Communities

Copyright 2002-2012 Social Knowledge, LLC All Rights Reserved.

All times are GMT -4. The time now is 03:30 AM.

Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2016, vBulletin Solutions, Inc.