Can I start Tiger Bloom week four flowering?

Was scared into paranoia about Tiger Bloom and nute burn by some friends who have helped along the way, decided to not pick it up. I am nearing the end of the third week of flowering (Maple Leaf Indica), lots of buds popping up, they don't seem to be that dense yet, they certainly haven't swelled, mostly just lots of pistils, starting to see a nice dusting of trichomes. Using a 400 HPS for flowering, I have been feeding with Big Bloom and Grow Big with Ocean Forrest Soil, hoping to use molasses starting next week. The more I read, the more it seems I NEED tiger bloom? Can I get by without it? Should I start using it week four/is it too late? The plants seem healthy, stable, the buds seem a little small...Looking for solutions. Any help is appreciated.

this thread is in the wrong forum. those nutes aren't organic. They are the shit, but not organic. go ahead and get the tiger bloom.

thought the same...then saw the myriad of posts regarding tiger bloom already in this forum, appreciate the help though