Snorkel CO2 problem
 

Hello subsim family.
After a few years , yesterday I decided to resume my campaing in SH5.
So i went to base, I was offered a new sub (type VIIC) and accepted it , and for some reason i could install a snorkel and Tarnmate improved. It's historical unaccurate (10-10-1941) but I wanted to test it in campaing.
Today I departed from Lorient. When I was in the middle of the Viscay Bay I tried the snorkel. First dived to 160m. After 4 hours ordered snorkel depth, raised it and after 4 minutes got oxigen 100%. An after 4 hours battery 100%. Tried again and it was the same I got oxygen 100% two times in a row.
So it seems the co2 problem when using the snorkel was fixed 3 or 4 years ago. Is this right?
Sorry for my English.
Regards.