How big does LR have to be for dentrification?

Pomme · 02-27-2004, 10:34 AM

How big does LR have to be for dentrification?

I am just wondering how big the live rock has to be for dentrification to occur, becuase of the oxygen gradient in the live rock small pieces will only do aerobic reactions, somaking Nitrate (

), but then large pieces because there is no oxygern (anaerobic/anoxic) can dentrify the nitrate into nitrogen, so good for our tanks.

But as i think small pieces oflive rock, eg 3cm across, look alot nicer and are alot easier to fit together to form a reef (just my oppinion).

I was wondering if i am right in my thinking?
And if anyone has done a test or knows of a test on live rock to see what size it should be?

Thanx for you help
andrew

***Reefland*** · 02-27-2004, 08:19 PM

I am no scientist or expert, but I don't think your correct. Any size "live" rock has the potential to carry denitrifying bacteria and will therefore help in the process. The only difference in a small piece and a larger piece is the size of the population; if they were both hypothetically collected from the same area.

Scott Z.

Pomme · 02-28-2004, 06:50 AM

cool thanx for that.

02-27-2004, 10:34 AM	#1
Pomme Council Join Date: Oct 2003 Location: Cornwall/Southampton, England Posts: 319	How big does LR have to be for dentrification? How big does LR have to be for dentrification? I am just wondering how big the live rock has to be for dentrification to occur, becuase of the oxygen gradient in the live rock small pieces will only do aerobic reactions, somaking Nitrate ( ), but then large pieces because there is no oxygern (anaerobic/anoxic) can dentrify the nitrate into nitrogen, so good for our tanks. But as i think small pieces oflive rock, eg 3cm across, look alot nicer and are alot easier to fit together to form a reef (just my oppinion). I was wondering if i am right in my thinking? And if anyone has done a test or knows of a test on live rock to see what size it should be? Thanx for you help andrew

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02-27-2004, 08:19 PM	#2
*Reefland* Owner Join Date: Feb 2000 Location: Bardstown, KY Posts: 13,161	I am no scientist or expert, but I don't think your correct. Any size "live" rock has the potential to carry denitrifying bacteria and will therefore help in the process. The only difference in a small piece and a larger piece is the size of the population; if they were both hypothetically collected from the same area. Scott Z.

02-28-2004, 06:50 AM	#3
Pomme Council Join Date: Oct 2003 Location: Cornwall/Southampton, England Posts: 319	cool thanx for that.

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