Edward Hennessey wrote:
....
Frankly, I've not used the oxalic approach ...

I've used it extensively...

... worried about residuals after rinsing, the addition of a
slurry of neutralizing bases
and a good rinse will address that.

....and can avow it's totally unnecessary and simply leaves one w/ a case
of now making sure aren't the other way imo...

Use manufacturer's recommendations as noted and all will be well.

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