I don't know whether to use concrete or cement. It is for a waterfall so it will be constantly subject to moving water, which do you think will be best concrete or cement I'm not sure how long it will last with the winter years and freeze-thaw etc...So basically is cement waterproof enough and will last after constant water going on it?
cement is the chemical in concrete above is some stuff to read about it they have been using concrete for centuries for fountains
