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Old 03/17/2013, 05:50 PM   #1
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Join Date: Jun 2012
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Curing Dry Rock

I just bought 30lbs of Pukani Dry Rock from BRS. I have a 125 gallon reef setup with a lot of live rock with coraline algae. Can I just add the dry rock to my tank, or do i have to cure it first?

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Old 03/17/2013, 06:45 PM   #2
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Location: Pittsburgh
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The pukani should be cured before adding it to an established tank. It is dry but it has plenty of dead organic matter, and even whole animals trapped in there, that will release plenty of ammonia once it gets wet and starts to decay. Throw it in a bucket with a powerhead and heater for a few weeks. I would change the water a few days in as it will be quite dirty.


Current Tank Info: 40b basement sump, 40b refugium, 30g frag
jerpa is offline   Reply With Quote
Old 03/18/2013, 01:00 AM   #3
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There are a number of threads on that rock. Many people have had phosphate issues with it that a "cure" in a bucket won't solve... Do a search for "pukani"

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Old 03/18/2013, 11:37 PM   #4
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Location: Mountain View, CA, USA
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At the minimum, I'd cure it in a bucket with a powerhead until the ammonia level stays zeros for a while. If the phosphate level is acceptable at that time, you can use the rock as is. Otherwise, you might want to try a GFO or lanthanum chloride treatment.

Jonathan Bertoni
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curing, live rock

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