OCW or Optiseal to protect fiber glass exposed to water

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I jsut spent an hour cleaning off a year's worth of soap scum from my fiber glass shower walls which meant applying chemicals that make you cough and a lot of scrubbing.


For now, I sprayed on some OCW and worked the walls as if I was waxing a car. I applied two coats and surface is smoother to touch but repelling isn't all that impressive.


Does OCW resist washing off from fiber glass regularly splashed with warm detergent solution compared to say, paste wax like turtle wax?


Is applying Opti-Seal or Opti-Coat a worthwhile effort? Which of these would provide better and lasting protection on fiber glass exposed to water regularly, such as boat hull or shower walls?



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Opti coat is amazing if your looking to protect the shower. Opti seal does a great job and is more resistant to shower cleaners in my testing vs Ocw.


I'll try Opti-Seal since i already have a bottle. Since I already applied OCW, do I need to wash it down with degreaser first or can I just layer it on top when its dry?

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