I am getting ready to paint a house that has heavy calcium deposits on the
walls near the back patio from a outdoor misting system. What do you guys
think would be the best way to remove the calcium before painting? I have
tried CLR and vinegar letting both set for a 1/2 hour then scrubbing with a
wire brush with no luck. I am concerned that if I just prime and paint over
it that the calcified area will not match the rest of the wall due to the
difference in texture. The home owner is very picky. I am going to be
driving up there in about two weeks and want to try a few things before we
start painting next month. I will also try pressure washing but have been
told it will not work?

Thanks,

AZCRAIG

www.azcraig.us

"cm" wrote in message
...
I am getting ready to paint a house that has heavy calcium deposits on
the
walls near the back patio from a outdoor misting system. What do you
guys
think would be the best way to remove the calcium before painting? I
have
tried CLR and vinegar letting both set for a 1/2 hour then scrubbing
with a
wire brush with no luck. I am concerned that if I just prime and paint
over
it that the calcified area will not match the rest of the wall due to
the
difference in texture. The home owner is very picky. I am going to be
driving up there in about two weeks and want to try a few things
before we
start painting next month. I will also try pressure washing but have
been
told it will not work?

Thanks,

AZCRAIG

www.azcraig.us



Try limeaway. Scraper should work.

Death to the christian government.

"cm" wrote in message
...
I am getting ready to paint a house that has heavy calcium deposits on the
walls near the back patio from a outdoor misting system. What do you guys
think would be the best way to remove the calcium before painting? I have
tried CLR and vinegar letting both set for a 1/2 hour then scrubbing with
a
wire brush with no luck. I am concerned that if I just prime and paint
over
it that the calcified area will not match the rest of the wall due to the
difference in texture. The home owner is very picky. I am going to be
driving up there in about two weeks and want to try a few things before we
start painting next month. I will also try pressure washing but have been
told it will not work?

Thanks,

AZCRAIG

www.azcraig.us

Calcium is a pain, especially after it takes hold. You may have to graduate
up to muratic acid, pool acid. Try a 20% solution first, one part acid 5
parts water. Always acid into water not the other way around.