help with rocks
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Old 06-01-2014, 07:51 PM   #1
bucntears
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help with rocks


I have several of this type of rock that I have gathered, wondering if I can use it for landscaping my 120.

I still need to give it a good cleaning.

Thoughts




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Old 06-02-2014, 12:37 AM   #2
metageologist
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That looks to be fine however I would expect to see alot of diatoms as the second phone looks to have a fair amount is silica. I can't see the first phone though stupid tapatalk.

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Old 06-02-2014, 01:04 AM   #3
lochaber
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hmm... no clue, I can't really tell what that is.

try scraping it with a knife/nail. If you can't scratch it, or you leave a small metallic streak on the rock, then it's definitely inert, and should be fine.

If you do scratch it, then... well, further testing needs to be done.

You mentioned you gathered them, from the wilderness, or someplace else?
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Old 06-02-2014, 01:10 AM   #4
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Take a few chips from each and set them up in their own glass of water. One rock = one glass of water.

Measure all the things you have tests for, but especially GH, KH, pH, TDS and iron.
Many red rocks are high in iron. (Not all red rocks are that high in iron.
If the rock dissolves in the water it might affect at least one of these tests.
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Old 06-02-2014, 01:42 AM   #5
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I cleaned them with a scrub brush and now have them soaking in a bleach solution. Tomorrow I will give them a good rinse and then let them dry out.
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Old 06-02-2014, 02:13 AM   #6
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Since you have the rocks, there is always the old fall-back position of taking them out if they do cause trouble. I'm afraid I see far more people who fail to use what they want due to possible trouble with rocks than I see people who actually do have trouble with rocks. We are kind of a paranoid bunch!
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