Bad glass swirling/water spotting. Help!

I have tried a lot of products and different pads/speeds on my glass. It's severely water spotted and pretty scratched/swirled. I most recently have found DG NU Glass works the best for water spot removal. However, should I use this by hand or via pad and my DA? If so, yellow, green, or blue Buff and Shine and shine and what speed?

I have also tried Megs 105 via yellow and orange LC CCS and Megs 205 as well on the same pads. I think that is where some of the swirling came from but I cant be certain. I have pictures and can get them up later.

They are really bad and need a lot of help. Please help me out guys.

 

Bump. Replies please! Coming back after working the WM today, I noticed how bad my windows are. I have tried a lot of things. Suggestions please!

 

I have knocked off some real nasty water spots with dg nuglass with a da and white/orange. I can't imagine needing anything more.

 

I use Mark V waterspot remover and foam pad and do it by hand..... I use it on my house as well as shower too.
But I use it on occasion on cars and it works out really nice, just some elbow grease, not sure what to do about scratches, on my personal car, i would replace the window if it was that scratched up.

 

Well, it isnt "that" scratched up, it's just bad in bright light I feel. But I feel they can be removed somehow. I have tried Nu Glass. I tried it on a green BS pad and it seemed to remove water spots but scratching still apparent.

 

Lake Country has a glass polishing kit.

 

There's a certain process you need to use with mixing cerium oxide and water (possibly another solvent) and mixing into a polish/slurry, then working extremely small sections at a time 2"x2". I think this might be the only true/effective way to actually correct the glass.

 

you can get cerium oxide in small quantities @ rock polishing websites. The "optical quality" grade is relatively inexpensive.

I've used the slurry mentioned above and it is effective, yet messy (i.e. cerium oxide and water mixture).

The slurry, on your most aggressive pad, or even wool (on a test spot), will cut the glass.

 

Duragloss Nuglass is an amazing product. Use it with a fairly coarse pad and your DA and I think you'll be amazed at the results. Try it.

 

Cerium oxide + rayon pad. Be extremely cautious of the temperature of the glass. You don't want it to warp.

 

See this is the thing: I am unsure as to waht pad and speed on my PC to use on the glass with the NuGlass. The Nu Glass will remove spotting, but what abou the scratching?