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Not to my knowledge, I keep a garbage can of RO/DI for the week as well as 4 5g jugs for emergencies. I've never had an issue. Just make sure you mix it up some if you salt your water after making it.
I had 5 cleaner shrimp 1.5 weeks ago, I have 2 left. The one got killed this morning I think by my pistol shrimp. How is your water? Shrimp are super duper sensitive to changes which is why as you know, they get a long acclimation.