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I might suggest installing and using it for a while before worrying overly much about having it recoated.
I am of the opinion that many folks are too gentle with their gear…no I am not suggesting rubbing it with sandpaper or a grinder but a soft scrub with your fingertips in the solution and then a good pure water rinse and dry will do as much good as possible (careful not to rub off your center spot).
After that I would reinstall the mirror get good collimation and enjoy it. After you gain some more experience then maybe consider if new coating is needed.
A very dirty mirror can still give very good views…and remember the earliest reflecting telescope makers would have been thrilled with the amount of light you will gather with what you have (check out how much light speculum reflects)
Use it and enjoy it for a while before taking additional action…is my advice.
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