calcium deficiency

  1. H

    Chemdawg - deficiency question???

    Does anyone have experience growing chemdawg? And if so what are the nutrient requirements bc I can not seem for the life of me to get rid of either a calcium/magnesium deficiency or a phosphorous deficiency? And how heavy in ml/gallon should I be feeding them these particular nutes? Bc I upped...
  2. K

    PLEASE HELP! Brown/ rust spots on fan leaves with purple stems (Week 3 flower)

    Hey guys, Currently got three Crystal Candy XL autoflowers from sweet seeds on day 20 of flower. 2' x 2' grow tent (73-78F & 45-55% RH) with 110W LED grow light at 35cm from plants. Grow medium is Bio Bizz All Mix feeding Bio Grow 1 ml/L, Bio Bloom 2 ml/L, Top Max at 2 ml/L, AlgAMic 1 ml/L +...
  3. J

    Rust spots on leaves.

    I am mid week 3 of veg and rust spots have been haunting me since week 1 and I tried nearly everything. A quick background on my setup: First time DWC/Autoflower strain Flora Trio GH 1/2 teaspoon/g all 3 first 2 weeks (1 teaspoon/g cal-mag) Increased to 1 full teaspoon/g beggining of week 3 (1...
  4. J

    Can't escape the rust spots on leaves!

    I am mid week 3 of veg and rust spots have been haunting me since week 1 and I tried nearly everything. A quick background on my setup: First time DWC/Autoflower strain Flora Trio GH 1/2 teaspoon/g all 3 first 2 weeks (1 teaspoon/g cal-mag) Increased to 1 full teaspoon/g beggining of week 3 (1...
  5. G

    Buds don't develop, whats the problem?

    Hey, this is my first grow and my biggest plant had some serious issues as it started to flower. First i had calcium and potassium deficiencies at the same time, now it seems like its overfertilized and the buds are not developing as they should, at least it seems like that. Can someone analyze...
  6. G

    Calcium deficiency, foliar spray during flower?

    Hey everyone. I have an amnesia haze auto starting it's 6th week of flower today. This is my first grow. I've noticed the past couple days the bud growth has pretty much stopped, and I have signs of calcium deficiency on my leaves. (Small orange/brown spots on older fan leaves at top of plant)...
  7. M

    Rust Spots?

    I have some Afghan in a 5 gallon with 1/3 super soil at the bottom (subcools recipe) & FFOF + FFLW on the top. My plant has been otherwise healthy so far, but is now starting to show some signs of rust. I've been feeding it half tap water & half RO water (tap water here is too heavy in...
  8. M

    CalMag deficiency in FFOF fed with RO water?

    I have some young plants in a solo cup filled with FFOF. I've been feeding it RO water only & I believe I'm starting to see a CalMag deficiency. Does FFOF need a CalMag amendment if you're only feeding RO water? I was thinking of adding a little bit of powdered dolamite lime, but wasn't sure if...
  9. Igrow420365

    First time grower

    Hey what’s up guys, I’m new on here and wanted to share my journey with you guys. I decided to join and learn more about other growers journey which could potentially help me along the way. This is my first grow and let’s just say it’s been a hell of a ride. At first I was dealing with calcium &...
  10. Logan Burke

    Calcium Deficiency? Opinions Wanted!

    I'm growing in 5 gallon DWC buckets under a 315w cmh light, using Floranova Grow/Bloom, along with GH Calimagic as needed. My plant's are just over 4 weeks old, and about 1 week ago they began to hit a very serious snag. My PH initally was kept at 5.8, but since the appearance of these symptoms...
  11. Sumby

    Using calmag with Biobizz light

    I have heard not to use calmag when using Biobizz soil and nutrients. What other ways are there
  12. Bushbaby11

    Im deaf to what she's saying, can anyone help please?

    Member Basics: Super lemon haze 1x600W Hps 4 x 25L buckets DWC, 2 air stones in each bucket Room temp 25C - 28.5C Using VITALINK A&B & SILVER BULLET EC 0.8-1.0 (water is 0.4EC "HARDWATER") so basically 0.4-0.6 of nutes in tank. AM I UNDER FEEDING THEM?? 3rd/4th week of veg had NO ISSUES AT ALL...
  13. Kaydoo

    Is this a Cal def? First grow

    I need help confirming for future instances, looks similar, but off. Mama seems to be showing signs of a Calcium deficiency based on information from http://www.growweedeasy.com/common-nutrient-problems. I already put 4TSP of Cal-Mag into a 5 gallon pot. I'll check on her daily to see if it...
  14. zac graves

    Limestone rock for calcium deficiency?

    so I've had mild signs of calcium deficiency and don't have the $$ for cal.mag. So I used some fresh limestone rock that was dug up from my back yard and crushed it with a hammer, thus making powder. So I sprinkled a good tsp into each 3 gallon and watered afterwards. My neighbor is the one who...
  15. G

    Experiencing some type of deficiency

    hey guys this is only my second grow so far so good but just started noticing this yellowing on the leaves starting from the top don't now if it's calcium or magnesium or iron. Can anyone help much appreciated
  16. noobgrowr

    Can you confirm if this is mag deficiency?

    Title says it all. Can you confirm my belief that this is a magnesium deficiency? Had these clones for about a week and a half, they've grown very well and other than this they seem quite healthy. Started a few days ago, I've got 2 Kandy Kush, a Durban Poison, and a Cherry Lime Haze. This one is...
  17. Homegrownx

    What Dificiency is this ?

    I have been sifting through pictures on the internet and reading threads trying to figure out what is wrong with my leaves. I have been using Veg+Bloom for RO/Soft, with Botanicare Cal-Mag (Growing in Canna Coco medium). I am in about the 3rd week of veg and my plants were doing fine. I just...
  18. pghkidd

    Poor mans ventilation

    HELP!!! Im running a 6 bulb CFL setup equaling 109 actual watts 1 18" T8 15w totaling 124w actual for my first grow. 3x2x4 box. Plant is 11 days old from bagseed 1st set of leaves came out (not cotelydons) curled up and 2 days ago I notice several brown spots with yellow rings around them then...
Top