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Old 08/18/2007, 11:24 AM   #26
cartoonbear
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here is an old FTS

much has changed since then and the cyano has been taken care of



Heres a few newer ones to help you understand the rockwork and coral placement







[IMG][/IMG]


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Old 08/18/2007, 11:51 AM   #27
virginiadiver69
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Quote:
Originally posted by cartoonbear
Now what would be the problem with running all of the pumps at the same time.

If I am understanding this correctly we are shooting for a constant current in one direction rather than turbulent currents. By running just two pumps at a time (two that are diagonal from each other) you will create a circular flow pattern. Then when you switch pumps it will create the same flow pattern but in the opposite direction.
If I remember right (it's been a while since I read the article) the reason for doing a longer time period between switching pumps is the idea that it will take time to get that amount of water moving in the opposite direction.


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Old 08/18/2007, 11:56 AM   #28
cartoonbear
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I ended up figuring that out for myself soon after the post, but thanks for trying to help. Thanks everyone for your help so far


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Old 08/18/2007, 12:27 PM   #29
aninjaatemyshoe
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"If I am understanding this correctly we are shooting for a constant current in one direction rather than turbulent currents. By running just two pumps at a time (two that are diagonal from each other) you will create a circular flow pattern. Then when you switch pumps it will create the same flow pattern but in the opposite direction.
If I remember right (it's been a while since I read the article) the reason for doing a longer time period between switching pumps is the idea that it will take time to get that amount of water moving in the opposite direction."

Yep. That and the fact that many powerheads can't handle cycling on/off so well, so it is best to space the time out to avoid wearing them down prematurely.


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Old 08/18/2007, 05:34 PM   #30
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Ok, I've done it. I can't be more happy, thank you so much! I hope everyone reads this and follows the advice


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