Quote:
Originally Posted by ohhgourami
The idea of this thread is there's way better products than RainX on the market now. Not only does it tend to leave residues, it makes wipers have chatter.
Products like Gtechniq G1/2 will last way longer (up to 2 years) with better overall performance than RainX. This is a nano coating the actually bonds to the glass.
A cheap but not as durable coating would be a quality polymer sealant ("wax").
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Funny you mentioned gt techniq. I have used there crystal serum and exo. I still have some left and might be worth a shot to try it on the windshield.