food for thought about nutrient selection.

  • Thread starter Frankster
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Frankster

Frankster

Never trust a doctor who's plants have died.
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Was looking today at the different molecular forms of potassium phosphate, as I see it as a key molecule in flowering. Of course there's dibasic potassium phosphate (basic ph 8) and monobasic potassium phosphate (slightly acidic 6.5, maybe 6.8)


A dipotassium phosphate solution is formed by the stoichiometric reaction of phosphoric acid with two equivalents of potassium hydroxide:
H3PO4 + 2 KOH → K2HPO4 + 2 H2O which fits nicely into my regime.

Mono potassium phosphate is (K2HPO4.(H2O)x) it is often used as a fertilizer, and a buffering agent. (slightly acidic) The salt often cocrystallizes with the dipotassium salt as well as with phosphoric acid.

Anyone want to share any useful formulary ratios between these two molecules, that are used in various weeks of flowering?
 

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