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calcium deficiency

  1. Verbalist

    How much (in mg’s) should I add Calcium & Magnesium to water

    Hi! My plants having a calcium/magnesium defiency at the worst time, just when started the flowering stage. I dont have or either cant purcahse a cal/mag nutrient right now, so gotta improvise. Im having a calcium & calcium+magnesium tablets and sulfate for humans (Ca: 800mg & Mg...
  2. Calcium (Ca) Deficiency

    Calcium (Ca) Deficiency

    Plants lacking Calcium balance can result in the soil becoming too acidic. Calcium deficiency can be fixed by foliar feeding (adding liquid fertilizer directly to plant leaves) one teaspoon of dolomatic lime per quart of water until the plant's condition approves.
  3. S

    1st Grow & Need Help Identifying Spots

    I am thinking I have a Calcium deficiency. I am useing Fox Farm Organic Forest with the Dirty Dozen line up fed full strength as scheduled. I was using distilled water without cal-mag. Once I saw the spots, got cal-mag and watered and have fed FF nutes at half strength with another dose of...
  4. Camer41

    Brown spots getting worse

    Hello all. Trainwreck Auto. 6 and a half weeks old since popping Using 1000w equivalent led about 30 inches away in a grow tent ProMix HP medium. Feeding Green Planet organic on their recommended feeding sced. Used less food than says to. Very small auto that flowered after 3 weeks...
  5. Gnomex26

    Cal-Mag Or Nitrogen Deficiency?

    Hey guys, not sure if anyone has followed my Journey, it's been awesome, and thank this community for all its support. So I did research obviously and I cant tell if my otherwise VERY healthy plants have a calcium magnesium or nitrogen deficiency while in veg still? The soil I transplanted them...
  6. 2019-04-17 12.34.09.jpg

    2019-04-17 12.34.09.jpg

    Leaf problem calcium and/or magnesium deficiency?
  7. S

    Please Help Identify My Problem

    Hi All, So I’ve got 3 plants growing. Indoor hydro. All 3 are in clay pebbles (hydroton) with drip irrigation using the Lucas method for feeding (8ml micro, 16ml bloom - 3 part EHG Liquid nutrients). I’ve been using RO water to feed. Water has been ph’d and is maintained between 5.7-6.3 or so...
  8. Ca deficiency?

    Ca deficiency?

  9. I

    Is This A Calcium Deficiency? Newbie

    Hi guys/ gals, Here are the details so I don't waste your time reading :) *2 Plants - Blueberry Auto and Purple Haze Auto Using Bio Bizz Light Mix soil, 3 gallon smart pot, LED grow light, 60x60x160cm grow tent Temperature - 79-82F and Humidity - 57%-62% First watering - 5.6 PH table...
  10. B

    Need advice please

    I have fan leaves that are turning color and spotting (see photos) and I believe it to be a calcium deficiency but got cal-mag and have been giving half doses and haven't noticed much of a change. Most of the fan leaves got so bad that we had to trim them off. Just trying to figure out what this...
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