[ARC5] WHINK and crystals.

[J. Forster]

If it has HF, it will certainly not have lye.

If your container is inert, like polyethylene, the HF will only attack the
quartz. The amount of quartz is tiny, so not much of the HF will be 'used
up'

-John

================



> On 26 Jun 2013 at 16:21, Tim wrote:
>
>> Hi Ken -
>> I KNEW that the GRC-109 could not have failed!  LOL
>
> Well, I was pretty certain it hadn't, but I had to make sure. It hasn't
> been
> used in at least 10 years.
>
>> Which Whink product did you use?  There's many.
>
> I had no idea. The only one I have ever seen in our stores is that one
> which
> has a small amount of HF in it. It is sold as "Rust Remover" and is in the
> laundry products aisle of our local (3 blocks away) supermarket.
>
>>  Lye based?
>
> No. HF. Hydrogen Flouride. Hydroflouric acid.
>
>> Also, agitating the solution might make a difference in the amount of
>> time needed. Good stuff - Thanks! Tim N6CC
>
> Well, the stuff scares the crap out of me, Tim. I am using the absolute
> minimum I can get away with.
>
> Ken W7EKB
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