When it has fog between the glass, it well get worst. You are losing your insulation value when this happens. Most units today come with a 10 yr. warranty. Check with your builder or glass company where you bought the unit from for warranty info.
The only thing you are doing is putting oil on a mineral ,and it makes it look good.But you are making it very slick , be careful.If your door is bad off then you might clean it up with white rubbing compound and then keep it clean with soft scrub or liquid comet. Then use rain-x to keep it looking good.
The finish is on a aluminum shower metal and a harsh chemical well discolor the metal. You should be using liquid comet or soft scrub for cleaning. eastcoastglass at yahoo dot com ... View related article.
