Nutrient substitution?

Relic79

Well-Known Member
I was running the full line of future harvest Holland secret. I am very late flower on a sativa leaning plant. (Mid week 14).

I am not running bottle nutrients for my next cycle, so have been letting the additive bottles run out. The plant hasn't seemed to notice.

I just ran out of bloom however which I know I can't just leave out. It is 0-6-4 and says it's available phosphate (P2O5) is 6%, soluble potash (K2O) is 4%, Mg is 1% and sulfur is 1%. It also states the sources as potassium phosphate monobasic and magnesium sulfate.

I have a bottle of "ton of bud" used brielfly mid flower and almost full that will go to waste (give away) which is labelled as 0-10-6 and lists available phosphate (P2O5) as 10%, and soluble potash (K2O) at 6%. It states it is derived from monopotassium phosphate.

I can see it is missing the mg and s, but not sure if that matters as long as I don't see mg deficiencies.

Can I use this ton'o'bud in place of bloom?

I was already mixing at 3/4 strength. If I can use it, should I use it at the rate I was using the bloom, or dial it back a bit more?

Now to google those potassium phosphate compounds, they almost seem like different ways of saying the same thing to my non-chemist brain.....

Thanks!
 
So if what I read is correct, then potassium phosphate monobasic and monopotassium phosphate are the same thing.

The bloom just has magnesium sulfate added.

Is my assumption correct that I can probably use the ton o bud to substitute for bloom for these last couple weeks? I'm probably going to just go for it if no answers, but thought it worth asking.
 
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