What qualifies as "too hot"? How does one know that a given fert will be OK and not "burn"?
There are alot of "cumulatives" in this organic thing. My BioTone is 4-3-3, and the bone meal is 6-9-0 for a total of 10-12-3. The sources of each nute (Blood/bone meal, guano, WC, etc) each are different in NPK, and when combining more than one I assume that you have to account for all three.
Anyone have a link or an explanation of what is a HOT fert that I can get my mind around? I need to know the whys, not just that it's hot. Hope I'm making sense.

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You can lead a Horticulture....But you can't make her think!!!!

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TheLastPirate.... Too hot, is any amount of NPK that will cause nute burn to a particular strain of Mary. Some plants can take everything you throw at them, others are very sensitive to NPK additions.
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As a general rule, start seeds in Jiffy Peat Pellets, Rapid Rooters or Jiffy Seed Starting Mix. These all have a very, very dilute amount of NPK in them. Once your babies, are up and growing (two sets of leaves), transplant them into a light fluffy, mix of soil with an NPK value not exceeding 12-12-12.
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Take into account, the NPK value of anything you add. You must add the numbers up each time you add anything in the begining (first 6 weeks).
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After the first six weeks of growth, you can begin to assume, Mary has drawn out half of the initial NPK. Two weeks (I consider them babies - aka - seedling), then after the other four weeks (they are teenagers). For all of us with teenagers, we know - they will eat, and eat and still say they are hungry. Some plants will, other won't. So, I always advise - feed low, slow & steady.
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I water one week, then fertilize the next, in rotation, to avoid the two biggest problems - Overwatering & Overfeeding. If during a watering only week I see a sign of deficency, I can always add a little, but just a little of what she needs.
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Since, I don't know which strain you are growing. I can't give you specific feeding mixes, but try to keep the numbers (NPK) within a third of each other. More N during growth, more P during flowering. Then during week 3 of flowering, drop the N to 2 or less and ease up the P. Let me know, and I'll help you dial them in for maximum potential.
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Keep it Real....Organic....
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Once again OhSo, I thank you. I am alot more prepared this time, yet I still get anxiety if a leaf curls a bit. Does that anxiety ever go away? I wish you could get PMs.
I saw that my seedlings had what I am calling a calcium deficiency (Text book case according to pics). I took yours and SeaMaidens advice and re-mixed my soil, this time I mixed in 5 tbsp of dolomite lime, and 2 tbsp of bone meal in each 5 gal bucket. That, combined with the BioTone gives me 10-12-3. I hope that cures the Ca deficiency and doesn't burn them. So far So good!! I called Espoma corp and dude assured me that the mycorrhizae in the BioTone was a full "innoculation", and that the 4-3-3 in it was all natural, and certified (?) organic.
I just finished transplanting last night, I started Sat. morning. The ones that were done Sat are fucking well taking off!!! Everything is bigger, greener, and way more lush than I remember the first ones to be.
Oh, BTW, the worm farm is up and running. They got more "acreage" now. I was at home depot yesterday, and found a 20"x30" "Rubbermaid" type bin (95% recycled plastic!!!) and set up a proper bin, getting rid of the 5 gal buckets.

As for my "strain", it's bag seed. Definately Sativa or high content hybrid. And it's GOOOOD!!! The buds I got from it were so far and above superior to the dope it came from (High grade comm) even the dealer I get my dope from couldn't beleive it was from the same stock. I am DEFINATELY gonna fertilize some seed this time. I wanna keep this strain up and going.

Thanx again for your help.

TLP

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You can lead a Horticulture....But you can't make her think!!!!

Sometimes little gems are found in a bag of swag. I have gotten luck a few times myself. Oh and I got some good seeds that way too !! LOL