Spot of VBA Help

Hello friends,

Running into a spot of trouble with my macros, and i'm wondering if it's me code that I wrote. Here are really the problematic ones. Basically, i'm working with huge excel files (1 main page that has about 20k rows), and then a subsequent 20 or so pages that also have information relating to the first one.

Basically I have a ton of macros (Roundabout 90 or so) here that end up going into a bunch of sheets as a validation and vlookups and all that jazz. Luckily I save that as a separate sheet because I know those are going to slow it down a ton. However, things that I HAVE to run on the sheet before those are below.

Because of how big the sheet is I just run this on 1 column at a time.

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This is a little bit different, basically this is comparing conversion rates of a Unit of Measure, saying if it's the exact same Unit of Measure it doesn't need a conversion, so color it a certain color and then validate it, or if they are not the same UOM and the conversion rate is 1 (In other words, an Each cannot be a Pack etc), so highlight it another color.

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I'm far from being an intermediate VBA user but this is what i've gotten so far. Any ideas as to why this is slowing my sheet down to a total crawl?

Cheers,

-Justin

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