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Offlinesplifner180
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Calcium Carbonate, Magnesium Carbonate
    #5758710 - 06/16/06 08:53 PM (17 years, 8 months ago)

I found some "hermit crab sand" at my local pet store. Bag says it is comprised of calcium carbonate and magnesium carbonate, nothing else. The sand itself is crushed to a fine grain, maybe a little smaller than beach sand.

Is this useable to adjust Ph in substrate material?

tia - splif


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Re: Calcium Carbonate, Magnesium Carbonate [Re: splifner180]
    #5759559 - 06/17/06 01:18 AM (17 years, 8 months ago)

I use it and have had no problems. I did have problems with hydrated lime... This stuff automatically keeps the ph correct, regardless of the amount you use.


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Offlinesplifner180
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Re: Calcium Carbonate, Magnesium Carbonate [Re: splifner180]
    #5759907 - 06/17/06 07:02 AM (17 years, 7 months ago)

I know that calcium carbonate is what I'm looking for but the magnesium carbonate won't cause me any problems?

Anyone else want to add their 2c?

tia - splif


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First Grow: Ecuador -> LC -> HPoo/Straw -> Monotub
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OfflineFeelers
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Re: Calcium Carbonate, Magnesium Carbonate [Re: splifner180]
    #5759917 - 06/17/06 07:18 AM (17 years, 7 months ago)

I dont think it will be a problem - the two metal ions dont have much to do with the pH its the carbonate part your worried about.

Corals can use either Mg or Calcium when building their skeletons, and I assume that this sand is taken straight from a beach. - Thus it has both Mg and Ca, presumably in their normal levels.
Unless someone out there is specially enriching hermit sand with Magnesium- not a chance. :grin:

$10 says its exaclty the same as coral sand, but for your needs, it will be fine.


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OfflineBabo911
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Re: Calcium Carbonate, Magnesium Carbonate [Re: splifner180]
    #5759918 - 06/17/06 07:20 AM (17 years, 7 months ago)

persionally i just goto the feed store by me and buy some cc for $.40 a lb. I try not to add any unnessary additives to my mix. Do you have a pet co near you? They sell cc in bags that is from what I am told 100%.


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OfflineAnnoA
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Re: Calcium Carbonate, Magnesium Carbonate [Re: splifner180]
    #5759938 - 06/17/06 07:37 AM (17 years, 7 months ago)

Quote:

splifner180 said:
magnesium carbonate won't cause me any problems?




In the Agaricus (button mushrooms) cultivation high levels of magnesium in casing is undesirable, if I remember right, it negatively influences pinning.

In P. cubensis cultivation I don't think that this has been shown yet, but if you want to be on the safe side, use a limestone flour with little to no magnesium.


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Offlinesplifner180
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Re: Calcium Carbonate, Magnesium Carbonate [Re: Anno]
    #5761737 - 06/17/06 08:31 PM (17 years, 7 months ago)

Ok. I didn't know PetCo had calcium carbonate, Babo911. I'll swing by and pick some up.

Thanks!

splif


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First Grow: Ecuador -> LC -> HPoo/Straw -> Monotub
Build a Do-It-Yourself Magnetic Stirrer in thirty minutes with no money.


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