We added the snip the tip deal to our forester fridge, and it worked quite well. Easy, quick and cheap mod.
As for what you have, you can also move it to another fin. Maybe a couple to the left. I'm not sure how long you're waiting to check temps, but it does take quite a while to adjust, as in hours.
John and Rebecca Dickson
Emma-7 / Little John-5 / Iva-1
Full Timing Again, Rev B
2013 Ford F-350 Lariat CC LB PSD
2015 SOB TT - With OC's Awning Poles (#8)
At least in Heaven, RVs will be perfect, and I won't have to keep fixing them.