Adding More Rock

Chago09 · 11/30/2010, 01:15 PM

I have a 180 gallon that has been running for months and about 180lbs of rock well cycled. Its been in my tanks for years. I have just added about 100 lbs of perfectly dried out rock, it was sitting out for a month or so. Should I be concerned about a cycle occuring? I have not seen anything yet and its been 4 days, all tests seem ok. I wanted to put my fish back in, should I be ok to go forward?

Jstdv8 · 11/30/2010, 02:23 PM

So its been 4 days since you added the dry rock and you've not seen any spike in Ammonia? I'd say you are likley good to go. But if you are not in a hurry I'd add a dinner shrimp for 24 hours let it break down a little bit and see if you get an ammonia spike of any size. If not you are certainly ready.
Also, depending on how many fish you have its probably not a good idea to add them all at once. increasing the bioload too fast can easily casue more waste than your fishless sytem is currently used to and cause a large ammonia spike.

Thorin192 · 11/30/2010, 02:41 PM

It really depends on how much dead organics where in the 100 lbs of dry rock. If there was a lot you may experience a small spike.

11/30/2010, 01:15 PM	#1
Chago09 Registered Member Join Date: Mar 2007 Location: Georgetown Posts: 1,132	Adding More Rock I have a 180 gallon that has been running for months and about 180lbs of rock well cycled. Its been in my tanks for years. I have just added about 100 lbs of perfectly dried out rock, it was sitting out for a month or so. Should I be concerned about a cycle occuring? I have not seen anything yet and its been 4 days, all tests seem ok. I wanted to put my fish back in, should I be ok to go forward? __________________ Currently no tank!

11/30/2010, 02:41 PM	#3
Thorin192 Registered Member Join Date: Sep 2010 Location: Maryland Posts: 60	It really depends on how much dead organics where in the 100 lbs of dry rock. If there was a lot you may experience a small spike. __________________ IM 40 Mixed Reef

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11/30/2010, 02:23 PM	#2
Jstdv8 Registered Member Join Date: Nov 2009 Location: Wasilla, Alaska Posts: 1,420	So its been 4 days since you added the dry rock and you've not seen any spike in Ammonia? I'd say you are likley good to go. But if you are not in a hurry I'd add a dinner shrimp for 24 hours let it break down a little bit and see if you get an ammonia spike of any size. If not you are certainly ready. Also, depending on how many fish you have its probably not a good idea to add them all at once. increasing the bioload too fast can easily casue more waste than your fishless sytem is currently used to and cause a large ammonia spike.