Yes that's a possibility, there was a couple points in a row towards the end where I couldn't get to them on schedule, but there was no noticeable damage to the plant (as far as I could see, someone with more experienced eyes might disagree).
I was trying to avoid buying the nutes online, so I did just assume I could use miracle gro. I guess that was my first mistake? I guess I will go for it this time.
BTW the pics are of Skunk x Haze which was a free gift from, and they actually turned out better than the ones I paid for LOL.
Also, the bloom fert i was using is in the trunk of my car, which I can only open with the push button, and it has no battery in it (
) so I can't get the exact info on it, but I bought it at Lowe's Garden Center and I recall that the numbers were very close to what was recommended.