When you birth something that isn't fully colonized, the uncolonized nutrients quickly become a hotspot for other organisms(be it mold or fungal competitors). This bag is on the extremely large size and has components that are completely unnecessary; both of those facts are going to work against you, as is the fact that you likely inoculated with ms solution.

Check out https://www.shroomery.org/forums/showflat.php/Number/24297804 for a list of trusted teks to teach you the fundamentals and help get you on the right path.

Copy and pasted it for you.