Which resource should i use for Bio along with Destroyer?

[Biofilm preventer]

I plan on going through the DESTROYER for bio at least 2/3 times and knowing that as much as i could, however, i would like to supplement it with something for bio so what would you guys recommend. Dr. Romanos Bio review or Feralis? my time is very precious right now and would not like to use too many resources along with the destroyer because i feel it would be inefficient.

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[predent2019]

bootcamp bio notes-they have everything you need

 

[Faefly]

Bio dynamite made by the same genius who made Bio destroyer. Dr. Romano, free on his Facebook page!