Quick fix for Calcium and Magnesium

S.V.T.

S.V.T.

Active Member
thrash4ever said:
Cheers for the tip, Wolverine. My trace elements additive (again, non-organic) contains this but I have purposefully backed off using it for a while to make sure there is no trace elements toxicity.
My organic grow succumbed to the nasty synthetics, at least I will save my crop... I hope!
Interesting thread in the general grow area on the same topic:
https://www.rollitup.org/general-marijuana-growing/424505-nutes-cal-mag.html
I posted in there, too.

Seems like many, many people encounter Ca and Mg deficiencies, if there is a sticky on the topic I have not seen it.

The BioBizz range should come with a huge label on it reading: ALSO GET DOLOMITE LIME! Meh :-|
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for organic supplements I use GO's camg+. I'm only using 1.5 ml a gallon. I ran the same with calmag+ botanicare for a LONG time and NEVER had any ca or mg problem. In addition to this I use some stuff from bio-genesis called mineral matrix. I'm using it as a micronutrient addition to my mix in only a small amount, 0.5 ml gallon. I use them every time I feed, which is almost every time I water. I think they both work great and they're organic.
 
L

LockedOutSmokedOut

Active Member
Nullis said:
Organicare - Calplex and Huvega is a good, organic solution. Calpex is soluble calcium carbonate, Huvega has magnesium sulfate plus other minerals and fulvic acids which aid in absorption. They sell 8 oz bottles of the Organicare line and the Calplex is quite cheap. Huvega is a bit more expensive; both will last a while if all you used it for was foliar.

I don't know that it takes 'months' for finely ground egg-shell (which is calcium carbonate) to become available to the plant, but it isn't immediate. Same goes for dolomite limestone (Ca Mg carbonate), but at any rate you want to add it in sooner than later. The more finely ground/micronized the material is, the sooner it will be available. Most of us that grow organically put all of this stuff (dolomite, egg shell, gypsum, etc.) into our grow media from the outset. I also [try to] water in more micronized dolomite every other week or so.

Hydrated lime should be immediately available to plant roots, but I haven't ever used it.
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I agree if your other micro nutrients are fine they would break the shells down or make a tea
 
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