The fumes alone can do a lot of damage. Depends on the material and how dirty it is that will create the off gassing. A good breeze helps and sometimes I will cover plants just to be safe. This is a $29m house in escrow so I am way on the side of caution. The main problem is all these grout blobs everywhere and these won't come out with any chemical (acid would have to be super strong and would likely bleach out the black grout). That's why I was also thinking of a mild acid and a good brushing.

Sent from my iPhone

> On Jan 14, 2018, at 11:15 AM, Tony Deluna <tndeluna@gmail.com> wrote:
>
> Klenzstone also has a neutralizer you can use if it’s going to bleed into any foliage surrounding the area to be worked.
>
> Tony DeLuna
> 925-625-9625
> www.PatriotStoneRestoration.com
>
>> On Jan 14, 2018, at 10:33 AM, Stuart Rosen <mail@stoneshine.com> wrote:
>>
>> I understand Mike.
>> Klenzstone is a good product
>> Be careful around glass
>>
>> Sent from my iPhone
>>
>>> On Jan 13, 2018, at 8:05 PM, Mike Marsoun <outerislandstonecare@gmail.com> wrote:
>>>
>>> Thanks Stu. I work by myself and do a lot of second guessing. Good to be able to bounce it off someone.
>>>
>>> Sent from my iPhone
>>>
>>>> On Jan 13, 2018, at 12:57 PM, Stuart Rosen <mail@stoneshine.com> wrote:
>>>>
>>>> Klenzstone is the way to go.
>>>> Don’t be afraid!!!
>>>>
>>>> Sent from my iPhone
>>>>
>>>>> On Jan 12, 2018, at 8:19 PM, Mike Marsoun <outerislandstonecare@gmail.com> wrote:
>>>>>
>>>>> This is some rust stains from the pool guy spilling a chemical (hydrochloric or chlorine). Acids can activate the iron in basalt and I am cautious for cleaning with an acid but there is grout stains and minerals. Did some tests with a mild acid to see if any oxidation occurs over the next week. The grout stains (photo 2) probably won't come out anyway because it is so acrylic laced. Did a Klenztone sample and that worked great but hate using that stuff unless I absolutely have to.
>>>>>
>>>>> Thoughts?
>>>>>
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>>>>> Sent from my iPhone
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