This is exactly what my LFS saidDon’t try to avoid it. Just ride it out. As long as you don’t over feed it won’t be bad or long. Yes mb7 is bacteria and has been cultured. However it is kinda pointless just get some live rock to seed the tank.
if you use vibrant your tank will be addicted and you will get Dino’s the second you stop and that is worse then any algae.