OptiSeal instead of Collinite 846?

new2mud

New member
I'm still getting a handle on the myriad of products and their uses.



I understand 845 has incredible longevity of effectiveness.

Would OptiSeal be used instead of 845, or used on top of? Under? *confused*



eta: correction of Collinite 845, since 846 was made up in my mind :D
 
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