But see, here's why your question is above my paygrade (which is none). I wish someone else had chimed in, but nobody has. Here's my difficulty, and why I think anyone would have difficulty -- you're trying to supplement a large dose of potassium when it's plentiful in a range of very healthful foods.
Tinting of front windshield glass to reduce light transmission is not permitted, except for the upper 6 inches of the windshield. For side windows or rear windshield, glass tinting that reduces light transmission to less than 32% or increases light reflectance to more than 20% is not permitted. For SUVs, vans and trucks, the limit is 32% for the driverâs window and the front passenger window only.
1 RACV does not encourage motorists to have their vehicle's windows tinted. 2  Window tinting can reduce a driver's visibility in certain driving environments and this has the potential to decrease road safety.indow tinting is the plastic film that is often applied to vehicle windows, other than the front windscreen, as an aftermarket product. It is not typically available as a factory-fit option on new cars. It is most commonly offered as an aftermarket product by dealers and independent operators.