Why does Polar Pure come in glass bottles instead of plastic bottles?
Using a plastic bottle instead of glass is practical in that it is not as easily broken if dropped. However, Polar Pure has an indefinite shelf life. Using a glass bottle is the only way we can be sure that the printed instructions and Polar Pure identification will not rub off as it would if printed on a plastic bottle. The printing on the glass bottle is permanent. The printing on a plastic bottle would rub off long before anyone ever used up all of the iodine in the bottle. This is one of the reasons we use glass. BACK TO QUESTIONS QUESTION #15: I have had my bottle of Polar Pure for 3 years. Is it still safe and effective to use? ANSWER: Polar Pure has an indefinite shelf life. As long as you can see iodine crystals in the bottom of your Polar Pure bottle, it is safe and fully effective to use. It will never “go bad”. BACK TO QUESTIONS QUESTION #16: Is Polar Pure harmed by freezing? ANSWER: The effectiveness of Polar Pure is not effected by freezing. However, once filled with water
