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should I clean my gravel
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dvr16
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Joined: 26 Sep 2003
Location: new jersy

PostPosted: 2004.02.29(Sun)20:38    Post subject: should I clean my gravel Reply with quote

just wondering if I should vacume out my gravel because I heard it is a bad thing because there are a lot of beneficial bacteria in the gravel but I also heard that you should so not as much junk builds up in it. someone please guide me on the right path on this
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Waffleman
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Joined: 23 Mar 2003
Location: Buffalo, NY

PostPosted: 2004.02.29(Sun)21:40    Post subject: Reply with quote

Both answers are correct.

It depends on the type of filtration:
If you have an undergravel filter, you want to keep the gravel clean. Do 1 third of the gravel with the water change. (Alternating areas)
If you have a reef with a deep sand bed, don't touch it.

Waffleman
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karlas
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Joined: 07 Feb 2003

PostPosted: 2004.03.10(Wed)4:51    Post subject: Reply with quote

Gravel isnt the best choice for saltwater sometimes depending on the gravel (rock) that its made out of it can leach things you don't want over time. Are you using a UGF? The ;best way to go would switch it out for a sand bed.
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Miguel
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Joined: 14 Oct 2003

PostPosted: 2004.03.10(Wed)5:06    Post subject: Reply with quote

Wouldnt sand compact and produce this toxin if you don't touch it?
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karlas
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Joined: 07 Feb 2003

PostPosted: 2004.03.10(Wed)5:37    Post subject: Reply with quote

Actually if you get a fine oolitic sand and go with about a 3inch live sand bed it becomes a natural denitrator along with the live rock. Some people go with dsb's up to 6-8" deep. but most go with 3". It does cause anerobic zones but that is actually the denitrate part of it, changes nitrate into nitrogen. Also with the critters they help take care of the sand like the worms, bugs, and such that live in the sand.

Its the larger cc and gravel that holds less bacteria and can become nitrate factories itself.
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dvr16
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Joined: 26 Sep 2003
Location: new jersy

PostPosted: 2004.03.10(Wed)7:43    Post subject: Reply with quote

I use crushed coral gravel and I cleaned the tank out the other week and vacumed the gravel and instatly the water cleared up thanks again for the replies
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ColinAnderson
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Joined: 02 Feb 2004
Location: Tulsa, Oklahoma

PostPosted: 2004.03.15(Mon)21:59    Post subject: Reply with quote

I was under the impression that gravel vaccuming doesn't harm any of the bacteria present in the substrate.
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