Why do you have a
gasket on your lye tank? Does that increase the length of time
you can keep solution in it?
The answer to your second question is a
resounding….Yes! Without a gasket, we would not recommend even
holding it overnight. Your lye solution strength is critical to
your formula. There is nothing more important to soapmaking
that the ratio of lye (NaOh) to oils. We recommend keeping
solution no more than 3 to 4 weeks in the tank, even though it
is very well sealed. Always stay on the side of caution when dealing
Actually that answers the first, doesn’t it? The
tank loses about 50% of its value without the gasket.
Yes, we do make special tanks for lye. They are
made of 16 gauge, stainless steel and come complete, with lid,
heating element, thermostat and valve. They are extremely
efficient, due to the special heating element that is right in
the liquid. These special alloy, heating elements are made to
last and will withstand the rigors of lye (NaOH) and commercial
In case of a large
production, can you tell me how to solve the problem of lye
If mixing in pails, it is easiest to mix it
outside and wait till it cools and stops out-gassing. Another
way is to set up an exhaust hood over the pails, container or
tank and vent the fumes outside. An inexpensive kitchen exhaust
hood works well. With our NaOH tanks, you can cut a hole in the
lid and vent out with PVC pipe or flexible drying vent hose to
the outside. For a small charge, we can do this for you.
We are looking into
buying a lye tank and need to know if we will need to have a
vent over it.
We suggest mixing your lye/water at the end of
the day, as the last thing you do. Just put the lid on and
leave. Even then, very little vapor will escape, the moisture
will condense and drop back down into the tank. Timing it this
way, also allows the batch to cool down overnight.
If you do have to mix during the day, you can
put a hood over the tank, like a kitchen exhaust or have one
made at a sheet metal shop with an exhaust fan. You will
probably find though that just putting the lid on and letting it
go through it's initial chemical reaction will be fine.
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