I think it would. Let me know how it goes bruddah

Sent from my iPhone

> On 11 Sep 2014, at 3:29 pm, Stephen Webb <stephen@newlifemarblerestoration.com> wrote:
>
> Hi Mike, would sulfamic crystals (instead of oxalic) work the same with this process?
>
>
>> On 7/31/2014 2:47 PM, Mike Marsoun wrote:
>> I had some travertine with filthy grout and embedded into the pores dirt,
>> NOTHING worked: strong alkaline with HOT water spinner, Klenztone with the
>> spinner (and zero degree nozzle)  This is what I did and it worked
>> beautifully. Sometimes you have to break a few eggs...  I made a mix with
>> 10% hydrochloric acid and a tad of neutral cleaner to make it lay. Sprayed
>> lightly over an area, then sprinkled generously oxalic acid crystals over
>> the area and brushed it in with a coarse broom. There is a reaction and the
>> soils rise to the top like nothing I have ever seen.  Then extract with the
>> spinner and it is like new, 100% clean.  This is the MOST effective way to
>> get travertine with embedded dirt clean. This was a honed finish surface I
>> did and the sheen was restored with a couple quick passes with a grit brush.
>> If the finish is polished it will need to be polished with 5x. It won't need
>> any sanding.
>>
>> -----Original Message-----
>> From: list-manager@stoneandtilepros.simplelists.com
>> [mailto:list-manager@stoneandtilepros.simplelists.com] On Behalf Of Mitch
>> Heitman
>> Sent: Friday, 1 August 2014 2:43 AM
>> To: sccpartners@stoneandtilepros.simplelists.com
>> Subject: Grout cleaning
>>
>> Hi everyone,
>> I was called to a job that the homeowner wants the grout cleaned on this
>> stone. He installed the floor himself and has many different types of stone
>> through out it. We went to give him a sample and I mopped a 12ph alkaline
>> cleaner on it and scrubbed the grout lines and let it dwell for ten minutes.
>> Then I used my 1200psi portable with spinner tool. It made no difference
>> whatsoever. Usually on tile and grout we can use a strong acid and it cleans
>> the grout perfectly. However we all know that acid would destroy this floor.
>> Color seal isn't an option because the grout lines are all different sizes
>> and the stone has a tumbled edge, so i think it wouldn't come out very well.
>> Has anyone come across this before? I also attached a picture of the sealer
>> he used on it because I believe the sealer is keeping us from getting the
>> chemical into the grout deep enough to clean it? He also wants to go back
>> with a color enhancer to brighten the floor. I have not used a color
>> enhancer before since I usually clean regular ceramic tile. Is there
>> anything I should know in order to put it down? Other than just putting it
>> in a paint tray and applying it with a window cleaner?
>>
>> Thanks for the help
>>
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