Here ya go, straight from the Oxi-Clean web site.
Can I use it with Chlorine Bleach?
No! Oxi Clean is a bleach alternative and works by itself. Do not mix
it with bleach as they will neutralize each other and can create
dangerous gases and heat. If mixed in a poorly ventilated room,
breathing the fumes created by this mixture can be fatal.
It's akin to mixing Ammonia and Bleach!
I wonder how many folks know that in Chlorine Bleach, the chlorine gas
is held in suspension in a solution of LYE.
firstname.lastname@example.org (Gary V. Deutschmann, Sr.) wrote:
Ammonia seems to be unique in being an alkaline that reacts dangerously
with chlorine bleach.
Oxiclean is a peroxide bleach. It makes oxygen atoms available from
H2O2. Chlorine bleach is solt with oxygen. It works by combining with
water to produce a little lye and HOCl. HOCl bleaches by making oxygen
atoms available. If H2O2 and NaOCl are present in wash water, you end
up with NaCl and H2O and O2. O2 is what you breathe. It's not a good
The website may be crying wolf about fumes that are harmful to breathe.
If you mixed them in concentrated form, maybe the heat and oxygen could
cause a plastic container to produce a harmful gas.
It used to be made with lye. I think now they use salt water or some
other material. The bleach itself is caustic and produces some lye.
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