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Title: Terrible Filter
Review: I have had a pet waterer since 2009. I never had any problems with it.In March 2011, I had to purchase additional replacement filters. I bought these. I have used at least 4 different filters and they solidify within a week not letting any water through. Compared with the filter I had been using (they never locked up), this is terrible!I was used to the older filters so I didn't pay any attention. At least the last four times I have used the filter, within a week the water is stagnant, dirty and starts developing a glossy film.If you are interested in buying these, contact the seller to make sure this problem has been fixed - or at least keep an eye on your waterer. Thankfully my pets didn't get sick!
