Dee wrote:
Actually I would beg to differ about the plastic Marshall, as I have
had negative experiences with it. I still use it, but have to
'season' the bottles first i.e. put in either distilled water or made
CS and leave it for a few days. If it is made CS, it will go yellow
and then I tip it away and can then use it for the next brew. This
has happened with brand new PET 1 bottles. dee
I would not use PET it has plasticizers in it, which diffuse out over
time. I only use HDPE, which should be completely inert. That is what
the distilled water comes in, so it makes no sense to season it by
putting distilled water in it, that is what the distilled water comes
out of.
Marshall
Marshall Dudley wrote:
There is no problem storing CS in plastic, as long as the proper kind
of plastic is used, and it is clean. 30 ppm for EIS is about the
limit of what can be produced and remain stable. It is very
difficult to make stable 30 ppm. Basically it has to be composed of
13 ppm of silver oxide 13 ppm of silver hydroxide, and 4 ppm of
colloid. That is the saturation level of silver oxide and silver
hydroxide.
Marshall
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