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Re: [APD] KH goes UP after adding CO2
I am not sure that it is silicate, no. It is blasting sand from home
depot which I thought was silica sand.
I will try putting some vinegar on the dry sand and see if there is any
visible reaction.
Thanks
David A. Youngker wrote:
> Barry, are you quite sure that the sand in your tank is silicate? Have you
> tested _it_ with acid? If the amount of CO2 you're adding drives up the
> carbonate hardness that much in such a short amount of time, then even a
> weak acid like acetic (vinegar) should react with whatever is dissolving
> into the water column...
>
> -Y-
>
> David A. Youngker
> jaafaman at comcast_net
>
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