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Re: [APD] Calcium Nitrate
Sean
Here are solubilities I looked up in the CRC Handbook of Chemistry and
Physics:
Calcium Nitrate Ca(NO3)2 121.2 gm/100 cc H2O @ 18 C
Calcium Nitrate, tetrahydrate Ca(NO3)2-4H2O 266 gm/100 cc H2O @ 0C
Calcium Nitrate, trihydrate Ca(NO3)2-3H2O Insoluble in water
Calcium Carbonate CaCO3 0.0014 gm/100 cc @ 25 C
Calcium Carbonate, hexahydrate CaCO3-6H2O Insoluble in water
I haven't used calcium nitrate in my tanks but I have used it to mix up
fertilizer for my cactus. As the solubilities show above it will be orders
of magnitude more soluble than carbonate.
Jerry Smith, Bloomingdale, NJ
>Date: Mon, 17 Jul 2006 11:47:14 -0400
>From: "Kettle, Sean" <skettle at snclavalinprofac_com>
>Subject: [APD] Calcium Nitrate
>Has anyone used calcium nitrate in their tanks? Does it dissolve
>quickly or will it essentially be six of one, half a dozen of the other
>compared to dissolving CaCO3?
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