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01/02/2018, 01:09 PM | #1 |
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Join Date: Mar 2016
Location: Huntington Beach
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What would cause brittle rocks?
I have Marco rocks that have been in my system for 2-3 years but over the past year they seem to have become super brittle like I can break pieces off and scrape layers off them only change is I started running my ca reactor again but ph of the tank is the same as before when I was dosing. Any ideas?
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01/03/2018, 03:55 AM | #2 |
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Location: Huntington Beach
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Anyone?
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01/03/2018, 07:37 AM | #3 |
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Location: Austin, TX
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Endoliths are going to be dissolving any calcium carbonate substrate even at the high pH many of us keep our systems.
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"Our crystal clear aquaria come nowhere close to the nutrient loads that swirl around natural reefs" Charles Delbeek |
01/03/2018, 09:56 AM | #4 |
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Location: Kenosha, WI
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I’ve read Marco rocks cause brittle rocks. Number one complaint I read about those rocks from day one when people bought them.
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01/03/2018, 04:03 PM | #5 |
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Join Date: Aug 2001
Location: California
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How did you cure and/or start the cycle? I've read a few places that acid or bleach baths will remove rock. Pukani comes to mind.
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-saf1 Current Tank Info: 210 gallon mixed reef |
01/03/2018, 06:35 PM | #6 |
Dogmatic Dinosaur
Join Date: Feb 2004
Location: Boulder, CO
Posts: 6,256
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It is probably the composition of the rock from where they were terrestrially collected.
Super low PH can also make rock brittle, but we are talking about in the 6.X range. |
01/03/2018, 08:02 PM | #7 |
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Location: Huntington Beach
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Tank runs at 8.1-8.3
No acid baths or anything like that |
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