Quote:
Originally Posted by Hellmanns
0-52-0 is phosphoric acid.
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Wow, I never put it together til it just hit me after you posted it! Now I know why the fertilizer companies have cut way back on middle #'s... I have an account with BFG and remember the Plantex, Peters/Jack's, and Scotts had footnotes that their low P number formulas were designed to be used with Phosphoric acid.