bone meal

I was wondering if you could use just bone meal for flowering

I wouldn't recommend it as an only fertilizer for indoor applications, for a number of reasons.
-changes pH
-does not contain a full complement of micronutrients
-may not be instantly available
-if you put too much in the soil and end up with an overdose, it's hard to flush out a solid fert like that

and the final reason:
fertilizers designed for cannabis have all sorts of good things, not just P, and are totally worth it.

I have some 30-10-10 do you think that would work?

That's a veg nute.
The first # is nitrogen. Giving too much N during flower gives you lots of leaves and crappy small buds.

A flower nute will be more like 2-15-10 or so. But you should really do some reading- even reading the catalog descriptions of different cannabis-specific nutrition products can be quite informative.

man then im screwed cause I just went out today and bought some bone meal thinking that would work now I have no more money(im only16) what should I do

Hey man chin up! I don't think its the end of the world. Your nute is still high in P at least, which is good for flowers.
I suspect your bone meal could be mixed to dilute your nute, though you'll have to ask someone more expert than me about that.

.

I dont know but I need to think of something quick cause today is the first day of flower

hurry? You have anywhere from 50 to 65 more days to right things.

.

Well, perhaps work out the percent of P in your bone meal and then add it to your nutes at a ratio of maybe 30-50-10 or something.

.

I have a off subject question I just got news that I am moving in 15 DAYS how much bud do you think i can get off my plant in that short amount of time?

probably none, or next to it.

.

You'll still be able to smoke the plant though and get a little high. Might have to smoke a whole spliff of it though.

.

In the future if you're stuck with nothing but bone meal and vegt nute, you can dilute the veg nute WAYYYY down and then in another container make bone meal tea, put some in a stocking, put it in the water overnight like a teabag, and use them together to get closer to what you want. But you're going to have to experiment with dosage so you don't burn your plants.