Quote Originally Posted by Searcher View Post
I am a bit confused with this. If it is a wax of some sort, would not my filter collect it and away it goes from the surface?
It is a waxy polymer that is in an alcoholic solution that creates a molecule thick 'solar film' on the water surface and yes, it does get filtered out, which is why it is BEST applied with a peristaltic dosing pump on a continuous basis (which is how it is used in commercial applications.)