Pls help.....How to remove stains on concrete ?

I don't think a pressure washer will loosen"good" concrete. If it
is already deteriorating then it probably would.
I'm not positive but I think muriatic acid will clean the stains.
Robert

[email protected] wrote:
> Pls help.....How to remove stains on concrete ?
>
> Our home has stains on concrete from pots and other things. The stains
> are on the driveway, in front of main entrance door and back patio.
>
> I was told that pressure cleaning might loosen the very tiny pebbles on
> the concrete or damage the concrete.
>
> Is there an easy and economical way to get these out ?
>
> Any other ideas ?
>
> Any particular products ? Brands ? Where to buy them ?
>
> Has any one any experience in removing such stains ?
>
> Thanks in advance,
>
> irfan smith

[email protected] wrote:
> Pls help.....How to remove stains on concrete ?
>
> Our home has stains on concrete from pots and other things. The stains
> are on the driveway, in front of main entrance door and back patio.
>
> I was told that pressure cleaning might loosen the very tiny pebbles on
> the concrete or damage the concrete.
>
> Is there an easy and economical way to get these out ?
>
> Any other ideas ?
>
> Any particular products ? Brands ? Where to buy them ?
>
> Has any one any experience in removing such stains ?
>
> Thanks in advance,
>
> irfan smith


If the concrete has an exposed pebble finish you need to be careful
with pressure washing.

If its just a plain concrete pressure washing is fine.

I would use a little laundry detergent and a scrub brush on the stain ,
wet the whole area down first, scrub then rinse. A heavy spray from a
garden hose may help.

Have you tried ammonia? Use it on a small section as a test, it's
only $1 for a jug at walmart.

And you can use leftover to clean your kitchen. ;-) Note: the stuff
removes varnish and whatever else it contacts, be careful.

In article <[email protected]>, Burgy
<[email protected]> wrote:

> If it's rust, try using some 'iron out'. It will usually get rid of the rust
> stains. it is for laundry, but I have used it in the toilet tanks, dogs
> water dish, almost everything that will get a rust stain. Never tried it on
> concrete, but will if I run into it.You can usually get it at the grocery,
> or some home centers have it cheaper. I buy the large bottle to keep on
> hand. We have a hard water well.

Trust Me! It works on concrete. I live in the northern cilmes, and
after shoveling snow I sometimes get lazy. I just leave the steel edged
snow shovel on the concrete front porch. By the end of winter I have a
half dozen rust streaks on the porch. When spring comes, I give it a
shot of "iron out" and a little water form the hose and the rust just
disapears.


Joe

> Our home has stains on concrete from pots and other things. The stains
> are on the driveway, in front of main entrance door and back patio.
>

There is nothing more difficult to remove than iron rust stained deep into
concrete. Not even strong acid work - it just eat up the concrete but not
the stain. Then you could dissolve some of the rust on the surface but then
how do you suck out the rest in the pores? Even if you remove the iron stain
completely now it won't match with the rest of the concrete.


> I was told that pressure cleaning might loosen the very tiny pebbles on
> the concrete or damage the concrete.
>

If other than deep iron rust you could try the industrial pressure washer
with hot steam and adjust the pressure down so you don't blow away the
pebbles.

What the presure wash do is clean that portion of the concrete so well that
you end up washing the whole driveway just to make it match.

>Our home has stains on concrete from pots and other things. The stains
>are on the driveway, in front of main entrance door and back patio.
>

TSP - tri sodium phosphate from any store selling cleaning products.
Comes in a small container like baking soda or 1 pint of milk. Read
the label carefully. This stuff is caustic. It will remove most
stains from concrete including oils.

Pete

If it's rust, try using some 'iron out'. It will usually get rid of the rust
stains. it is for laundry, but I have used it in the toilet tanks, dogs
water dish, almost everything that will get a rust stain. Never tried it on

If it's rust, try using some 'iron out'. It will usually get rid of the rust
stains. it is for laundry, but I have used it in the toilet tanks, dogs
water dish, almost everything that will get a rust stain. Never tried it on
concrete, but will if I run into it.You can usually get it at the grocery,
or some home centers have it cheaper. I buy the large bottle to keep on
hand. We have a hard water well.

<[email protected]> wrote in message
news:[email protected]...
> Pls help.....How to remove stains on concrete ?
>
> Our home has stains on concrete from pots and other things. The stains
> are on the driveway, in front of main entrance door and back patio.
>
> I was told that pressure cleaning might loosen the very tiny pebbles on
> the concrete or damage the concrete.
>
> Is there an easy and economical way to get these out ?
>
> Any other ideas ?
>
> Any particular products ? Brands ? Where to buy them ?
>
> Has any one any experience in removing such stains ?
>
> Thanks in advance,
>
> irfan smith
>

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[email protected] wrote:

> Pls help.....How to remove stains on concrete ?

Try "kitty liter".

Cover stain with K/L, wait 10 days, see what happens.

Works for oil and grease stains.

Lew