I was recently sent some Pyrocat HD
Now rather than sending it pre-mixed or in separate bags, all the A ingredient was in a bag and all the B ingredient in another bag.
Question:
Because all the powder ingredient is mixed together in one bag for each part, will I need to mix them now or will they be ok left as they are until I am ready to use it.
I wasn't sure if the chemicals would deteriorate faster together in dry powder.
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