PH of 7 is neutral. Not acidic nor alkaline.
The white scaling is likely something coming from your clay soil that
you're adding. It likely will clean off easily with a wire brush
once dry if it is an objectionable mineral scaling.
Please be absolutely certain that it's not some kind of mold or
fungus. Misidentifing and neglecting something like that would cause
big problems later.
--- In papercreters@yahoogroups.com, "lefamaster" <chris@...> wrote:
>
>
> I think i may be encountering some alkali levels that are off the
> prudent scale. I am wondering what effects alkali (mainly a base
with a
> ph of 7) is going to have on my slipform insulation I am currently
> working on in a backroom of the house.
>
> I am seeing white depoisits starting to emerge on some of the drying
> lower walls that I poured over a week ago. It concerns me. I was
> originally under the impression that it was some kind of mold....but
> looking closer it is pure white, and note really of a biological
nature.
> It appears more like alkali.....
>
> Bear in mind this is fibrous adobe, and the soil is high clay
content
> (60% plus).
>
> Chris Portell
>
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