jojo69--the red pad has no cut, is the softest pad and is used to apply your sealant or wax--you only need one per LSP you plan to use so you can dedicate a pad for each.
The green pad is a polishing pad with very light cutting which might be fine for your soft Subaru paint--would suggest at least 4 of these to do the entire car. The black pad is a finishing pad--normally you wouldn't need as many of these, but because of your paint you might need 4 as it is very important to keep the pad clean for this last polishing step on your soft paint. I'd save the MF pads until you had more experience. You might also want to pick up some HD Polish in case the Speed isn't aggressive enough, but perhaps someone others will comment on this.
AS mentioned earlier in this thread keep your pads clean by cleaning on the fly after at least every panel and it might not be a bad idea to have some more aggressive pads and product on hand if you run into difficulty removing marring with just HD Speed and the green pads.
The green pad is a polishing pad with very light cutting which might be fine for your soft Subaru paint--would suggest at least 4 of these to do the entire car. The black pad is a finishing pad--normally you wouldn't need as many of these, but because of your paint you might need 4 as it is very important to keep the pad clean for this last polishing step on your soft paint. I'd save the MF pads until you had more experience. You might also want to pick up some HD Polish in case the Speed isn't aggressive enough, but perhaps someone others will comment on this.
AS mentioned earlier in this thread keep your pads clean by cleaning on the fly after at least every panel and it might not be a bad idea to have some more aggressive pads and product on hand if you run into difficulty removing marring with just HD Speed and the green pads.