Peggy, I am looking for your opinion on macerator pump models/brands. I am considering a Jabsco 18590 12V pump and a similiar Shurflo model.On the WestMarine site the Jabsco pump was pretty much panned but it is stocked locally by some stores I trust which makes me wonder if it really is a bad pump or if it was an issue of use etc by those that rated it poorly.Any assistance is appreciated!David