ZEP/Red Max Pro
I have questions specific to my unit construction on using this to restore the finish. I've looked over this post ZEP/Red Max Pro and it appears it does wonders on older fiberglass units. Mine is alum...
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FWIW, I used the RMP3 4 years ago,(before ZEP) still looks good, no yellowing and only flaking was on the top of the front cap. My fault- it was hard to get to and prep. That area has now held up nicely for 3 years..
