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Old 03-14-2008, 10:49 PM   #51
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From a fuge?

Yes from a fuge. The smaller particles will filter down through the big pieces. Also I found this if anybody is interested.

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Old 03-14-2008, 11:21 PM   #52
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Quote:
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Yes from a fuge. The smaller particles will filter down through the big pieces. Also I found this if anybody is interested.

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And this behaviour is different from natural sedimentation in oolitic sand beds?

Here is the water report for Indianapolis http://www.indianapoliswater.com/***...07_4-13-07.pdf

Looks good to me I would recommend using prime in your source water as a dechlor.
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Old 03-15-2008, 12:31 AM   #53
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And this behaviour is different from natural sedimentation in oolitic sand beds?...
Although we attempt to recreate a "natural" environment in our tanks, they are anything but. There is a whole lot more water in the ocean to dilute things than in our tanks, so detritus getting stuck in gravel like substrate in the ocean really isn't a big deal.

I think the whole point is to avoid crushed coral in tanks due to the fact that it tends to trap debris in nooks and crannies that are hard to get to versus a sand bed which is easier to maintain through vacuuming and an appropriate cleanup crew.
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Old 03-15-2008, 12:51 AM   #54
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Although we attempt to recreate a "natural" environment in our tanks, they are anything but. There is a whole lot more water in the ocean to dilute things than in our tanks, so detritus getting stuck in gravel like substrate in the ocean really isn't a big deal.

I think the whole point is to avoid crushed coral in tanks due to the fact that it tends to trap debris in nooks and crannies that are hard to get to versus a sand bed which is easier to maintain through vacuuming and an appropriate cleanup crew.
While I can obviously understand the size difference, in a fuge environment (which is what's being discussed), can we honestly say that CC would gather more detritus then LR rubble and chaetomorpha? or what would naturally settle on the sand with the reduced flow rate?
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Old 03-15-2008, 01:31 AM   #55
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While I can obviously understand the size difference, in a fuge environment (which is what's being discussed), can we honestly say that CC would gather more detritus then LR rubble and chaetomorpha? or what would naturally settle on the sand with the reduced flow rate?
Actually... what was originally being discussed was why the poster was losing corals. Where we went astray was when someone else asked whether they should use cc or sand in their fuge. Didn't see mention anywhere about LR rubble or chaeto. How any of this helps the original poster, I don't know. They just wanted to know why not to use cc in their tank!
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Old 03-15-2008, 03:01 AM   #56
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Actually... what was originally being discussed was why the poster was losing corals. Where we went astray was when someone else asked whether they should use cc or sand in their fuge. Didn't see mention anywhere about LR rubble or chaeto. How any of this helps the original poster, I don't know. They just wanted to know why not to use cc in their tank!
I agree, this thread has drifted and CC has no place in a main tank. I was merely curious about an answer given to a question regarding using some cc in a fuge in conjunction with sand.

I didn't really mention lr rubble or chaeto for a specific instance but for comparison purposes since it's not uncommon to see those in a typical fuge.
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Old 03-15-2008, 11:59 AM   #57
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LR rubble is larger (for the most part) and you can get more movement through it than the smaller CC. That leaves for less trapped particles, thus less nitrates. Sand is even smaller so it doesn't allow those particles to become a problem.
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Old 03-15-2008, 02:11 PM   #58
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Real fast guys: what do you think of taking out all of the CC substrait i have now. 100% of it and slowly adding the argonite sand 30-60 lbs at a time? I beleive the calculators are saying that i need to have 210 lbs in the tank for a 4in sand bed. (60"X18"X4")

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Old 03-15-2008, 02:27 PM   #59
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If you are game I dont see a problem. Get you a PVC pipe and wash the sand real good and let the sand run down the pipe to the bottom and that will lessen the sand storm.
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Old 03-15-2008, 03:18 PM   #60
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I switched my CC for sand. I did about 1/4 of the tank a week and had extra PWC just in case.
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