Viewing post #931476 by RickCorey

You are viewing a single post made by RickCorey in the thread called Fertilizing Containerized Plants.
Dec 4, 2012 1:40 PM CST
Name: Rick Corey
Pacific NorthWet Zone 8a
>> Do you mix a big batch of fertilizer solution and store it, using it over time?

Yes, in part becuase I felt I should neutralize the pretty-acid fertilizer. Doing it in one big batch was easier, especially since I gave it 5-10 minutes to "settle". The hydrated lime was mostly or partly solid (not immediatly soluble), so I gave it time to react.

I started by making only "8X". Then I went to "16X". I tried "32X" once or twice, but worried about what poorly-soluble nutirents might be preciptiating.

I knew how many tablespoons of each kind of fertilizer I wanted for each batch, weighed that, and used the same weight for future batches. I also kep track of how much hydrated lime it took to neutralize that much Peter's or MG, so that it took fewer "titration" steps each time.

I would mix the batch in my biggest bucket (5 gallons). Then I stored it in capped, one-gallon milk jugs to reduce absorbtion of CO2. I would make 4-gallon batches of "1X" when I needed them.

Back then I arrived at (guessed at) some middle-of-the-road strength, and varied that with some diluted waterings and some plain water.

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