Yep... That is IMPORTANT if you are one of the lucky guys that responds to trimix exceptionally well
Some guys here go for hours on just 0.05ml and 0.30ml would mean a trip to the ER for them....
BTW there are some great threads here on Trimix. Do a search and read. Also video: https://www.excelmale.com/content.php?168-Video-How-to-Inject-Trimix