B+ is a relatively widespread pressure so try to be able to find this on nearly any important spore or growkit provider from the US, Canada, or Europe. Here are several of our favorite vendors which provide B+ genetics: What are B+ mushrooms? B+ mushrooms, generally known as B Positive https://funny-lists.com/story21331494/the-basic-principles-of-detailed-notes-on-cubensis-b-grow-kit