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Thread: CPs and Sand

  1. #9
    herenorthere's Avatar
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    Lapis, as in lapis lazuli? Are the dark grains blue?
    Bruce in CT

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    SirKristoff's Avatar
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    Its Lapis Lustre i dont think its the gemstone herenor

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    Here is a macro shot of some of it
    some of the black specks are blue upon closer examination

  4. #12
    Hello, I must be going... Not a Number's Avatar
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    Well from the macro it looks like the sand has been well polished, either from surf or more likely a lapidary drum. Most of it looks like silica and quartz except the grain under the large whitish grain top center.

    I don't know what sort of abrasives are used for lapidary polishing but it should have been rinsed out if you're supposed to use this with critters.

    There might be limestone or bits of shell in there if it came from the beach.

    Otherwise superficially it looks like the horticultural sand I get.
    Grand Hotel... always the same. People come, people go. Nothing ever happens.

  5. #13
    bucky78's Avatar
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    I have used pool filter sand without any ill effects and it is relatively cheap. Just wanted to throw that in there.
    I don't want EVERY Sarracenia, just everyone that I see!!
    Growlist/Wantlist Updated 2/23/12:http://terraforums.com/forums/showthread.php?t=103039

  6. #14
    SirKristoff's Avatar
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    It does have small chunks of shells in it but not too much. I took a small amount and washed it, it was clean...doesn't mean I won't wash it before I use it though. The stuff is for fish tanks and I saw it in the salt water tanks as well as the fresh water.

  7. #15
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    If you can see bits of seashell in it it might not be good for acid loving CPs but things that get along on neutral or slightly alkaline soils might like it. If you're unsure about it pot up something expendable and watch it or even run some water on it, let it sit overnight and then do a PH test on the water if you have any of those aquarium water testing kits.

    I'm just itching for some of that sand to use on my living stones and cacti, heading out to look for some tomorrow!

  8. #16
    SirKristoff's Avatar
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    Haha swords, I got a 10 pound bag of it for 5 bucks. So I can just repot my succulents and cacti in it if its not cp safe. The bits of shell are so small and miniscule idk if they would care. Barely even noticeable

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