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Thread: P. poldinii

  1. #17

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    Gypsum is neutral; the sulfur balances out the calsium.

  2. #18

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    No calcium in vermiculite huh? [img]http://www.**********.com/iB_html/non-cgi/emoticons/tounge.gif[/img]
    Lithops care info: If you take care of it, it will die.

  3. #19

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    No, but in the past, for Mexican pings that people wanted a non-acidic mix for(or less), a mix of perlite and vermiculite was used. I never had much luck in that mix. i hope I am not confusing calcium rich and alkaline, but wouldn't it work to add some dolomite to the above mix for this species, with a little peat for the sake of organics?
    I am following this more closely, as I have the same seed as Vertigo.
    Regards,

    Joe

  4. #20

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    Hmm, so far i've come up with grinding up some oyster shells...or they sell it for birds already broken up. So what if we mix up perlite:vermiculite:sandyster shells? (give or take the sand. I have some for my cacti but I don't know if it's the right type. I believe it's western desert sand, but it's for top coats and decorations apparently)
    Lithops care info: If you take care of it, it will die.

  5. #21
    N=R* fs fp ne fl fi fc L Pyro's Avatar
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    Joe,

    That might work. My mix doesn't have any 'basic' ingredients per say and I have never checked to see if it truly is basic or acidic. Just for those interested here is what I use 4:1:1:1:1:1:1:1:0.5 of perlite:vermiculite:potting soil:lava rock:milled sphag:sand:charcoal:clay pellets:peat.
    'My love was science- specifically biology and, more specifically, when placed in a common jar, which of two organisms would devour the other.'

    See You Space Cowboy

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  6. #22

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    Is dolomite the same as lime? or a type of?

    So it's either dolomite or oyster shells so far...back to the lab. [img]http://www.**********.com/iB_html/non-cgi/emoticons/tounge.gif[/img]
    Lithops care info: If you take care of it, it will die.

  7. #23

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    Dolomite is calcium magnesium carbonate, and you should be able to get it at a fish/aquarium store. I believe some African cichlids prefer a substrate of this stuff.
    Ironically(pun), you can get laterite and flourite(a cheaper form of laterite, which looks nothing like the popular mineral-ie green,clear-purple that you see at gem shows) at fish stores, too.

    Regards,

    Joe

  8. #24

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    Anyone know anything about Calci-sand for reptiles? Supposedly a natural calcium carbonate substrate. Hehe, plus you can get it in 'glow-in-the-dark'. [img]http://www.**********.com/iB_html/non-cgi/emoticons/wink.gif[/img]
    Lithops care info: If you take care of it, it will die.

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