"Way too white" is also common when some genius gets sold on using lime putty 
or hydraulic lime in buildings that never used these things in the first 
place. And unless the contractor is disciplined about proper curing (HA!) 
that "way too white" will probably end up causing multi-story streaks.

Mike E


> Way too white mortar occurs w/ a fairly standard gray Portland,
>  hydrated lime, sand mix, but can be made whiter by using a WHITE (non-
> staining) Portland (though this would cost more $). It may also be a 
> result of a too rapid dehydration of the mortar.
> 

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