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Title: it works!
Review: I had written a review for EDV-300 which I thought was for EDV-500. Anyway, I bought both and both work as expected! I used them both for my bathroom that's about 9 square feet. The mildew is visibly less and takes a longer time to build up. The mini one changed color after about a week of use and the EDV-500 started to change color now that it's about 1 month since I first started using it. One thing that I notice is that for the EDV-300 it changes color faster once you have charged it. It now starts changing color in about 2-3 days as opposed to 1 week. I need to see if that's the same case for EDV-500. But overall, I am very happy with my purchase.
