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Re: [Killietalk] Bleach barrel question
1. Do you wash all organic material from the tanks before soaking them
in the bleach solution? Any remaining organic material will increase the
necessary contact time with the disenfectant.
2. How long do you leave the objects in contact with the bleach
solution? 15 minutes is considered to be the minimum time for clean
surfaces. To save time and money, it is not necssary to use the sodium
thiosulphate. Simply rinse with running water and allow to dry overnight. It
only takes about twentyfour hours for chlorine to dissipate. How long do you
keep the chlorine in the dipping barrel? It will be necessary to check the
concentration before each use if you do not replace it each time. Also a
build up of organic material in the dip tank can have an adverse effect on
the sanitizing ability of the bleach.
----- Original Message -----
From: "Charles Harrison" <charles at inkmkr_com>
To: "killifish discussion list" <killietalk at aka_org>
Sent: Monday, November 24, 2003 7:41 AM
Subject: Re: [Killietalk] Bleach barrel question
> >Here's a good question for a couple of days ago - with a cold wave
> >rolling across much of the country tonight.
> >I have a 32 gallon trash can set up to bleach funky tanks and some
> >gear (3 gallons of bleach and the remainder water). Next to it is a
> >32 gallon trash can with a sodium thiosulphate solution. Obviously a
> >simple sequence for cleaning and de-bleaching what ever is put in
> >the first trash can.
> >The operation has continued, although items were left in a little
> >longer lately, just in case the process slowed down.
> >Most everything has been removed from them with the current cold
> >wave rolling in.
> >Would it have been possible to toss in a liberal handful or four of
> >salt to keep the solutions from freezing up and continuing to do
> >what they were set up to do?
> >Thanks and all the best,
> Salt won't hurt any of the chemicals, no reaction expected. Wonder
> what temperatures you should expect to encounter?? Why not try to
> freeze some of your liquid in your house freezer and see what you
> need to add? A little experimentation might help a lot. Are the cans
> neat the house? out of the wind to experience the warmth of the
> house? are they covered securely? to keep the bleach in?
> Just some ideas - but then again bleach is relatively cheep -
> freezing will split the cans thou.
> Charles H
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