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Old 05-22-2008, 08:23 AM   #1
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Curing live rock

im just a newbie

ive purchased 10 kg of live rock for my 260 litreaquarium , ive decided to cure the rock in my main aquarium my test results are ammonia 0.25 nitrite is of the scale and nitrate is about 30 ppm is this normal for cycling
alsoSome of my rock is turning white It looks like a hard coating, it's not soft or slimy and doesn't rub off with my fingernail. Any idea what it could be?
thanx
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Old 05-22-2008, 10:00 AM   #2
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It`s probably just your old corraline turning white. It will return to the original color provided your water chemistry is right.
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Old 05-22-2008, 12:18 PM   #3
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Mike answered your coraline bleaching question.

It sounds like a normal cycle. The ammonia should drop to 0, the nitrites should start falling and the nitrates should increase. When the nitrites are down to zero and stay there for a few days it is time for a 30% water change. Let that stabilize for a few days to a week (o ammonia, 0 nitrtite, negligible nitrate), and you are ready to start adding some life.

Do you have a QT tank set up? You should consider setting one up and cycling that (a biowheel type filter is perfect) to house your first livestock for 30 days before putting it into the main tank.
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Old 05-22-2008, 10:18 PM   #4
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curing live rock

thanx 4 that guyz

yeah at the moment its only been cycling for about 2-3 weeks
but i was just gettin worried about the white stuff on the rock ill see how it goes 4 a while .
ive got a protein skimmer goin at the moment is it better to switch it of during cycling or continue it running and as for water changes should i be changin water at all during cycling .
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Old 05-23-2008, 02:09 AM   #5
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Smile curing live rock

ive got live rock in my tank and in the process of curing , i had sand substrate in there also but i was told to remove it while curing the rock so i did . is this infact correct or should have i left the substrate in there and when should i put it back in the tank thankyou.
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Old 05-23-2008, 08:35 AM   #6
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I would have left it in while cycling. It would have started to become "live sand". You can dump it back in now.
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Old 05-23-2008, 11:20 AM   #7
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I would have left it in also. Why did they want you to remove it?
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Old 05-23-2008, 01:13 PM   #8
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Smile curing live rock

i was just told it effects the time of curing also because alot of die off occurs it falls into the samd which can become hard to clean .
when i get a chance i will re wash the sand and dump it back in , do i need to put anything under neath the sand or can i just dump it straight into the tank .
also my protein skimmer should i be using it while curing
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Old 05-23-2008, 01:21 PM   #9
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You can leave it in or put it back in, it will provide additional surface area for your beneficial bacteria to thrive in. Not sure on the skimmer during the cycle question. If folks say to run it, it will be broken in by the time the cycle is over.
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Old 05-23-2008, 01:37 PM   #10
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Leaving the sand out just means waiting longer for the bacteria to coat it afterwards. You can keep the sand relatively clean by gravel vacuuming 1/4"-1/2" in depth and removing large pieces of rotting sponge; however, I would refrain from large water changes until NH3 and NO2 have somewhat settled. I notice longer cycle periods with a protein skimmer running, which should only need a couple days to be broken in.
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