leaf brown

  1. D

    Canna world

    hello guys I use Canna Vega, Flores, Rhizotonic, Cannazym, Cannaboost, Pk 13/14 in Dwc! Somewhere the tops of my leaves have been burned, I'm not sure if Cal / mag should be added separately or is it already in Canna? has anyone already had similar experiences, thank you
  2. B

    Weird new growth, your opinion?

    Hey guys, Been growing this bagseed lady for 10 weeks, already a week into flowering. Lights: CFL 4 x 23W 2700K + 1 x 23W 6500K Medium: Organic-ish Soil(Mix of 2 types of potting soils with included perlite, organic and mineral fertilizers + added worm castings and used coffee grounds) PH...
  3. G

    Leaf problem

    Hey guys, anyone know what is causing my leaf problems? I first noticed it a couple weeks ago. My plants are outside in pots the soil is a mixture of pete moss, perlite, and cow manure. I’ve mostly been feeding them bat guano and worm castings, just switched to a high phosphate guano like 2...
  4. BorgCube

    Bottom leaves, tips seem "burnt" - what causes this?

    I've been following the http://cocoforcannabis.com instructions to a tee, currently: Strain: Jean Guy photo Age: ~16 days past cotyledons Medium: Coco, buffered w/calmag (per Dr. Coco's instructions) Humidity 75%-80% stable Temp: 23-24C stable Light: Migro 100, 22k LUX measured at canopy EC...
  5. B

    Help with my plants.

    Week four of flower and my leaves are turning brown and crispy. I know I have a slight over watering issue, but besides that I don’t know what’s happening to the leaves. Temp never goes over 81F and never below 68. Feeding hasn’t changed. Lights about 14 inches away led 3 600 watt growstar...
  6. K

    leaf problems

    Does anyone know whats happening here? Is it overwatering? if so, what can i do?
  7. C

    Burned leaf tips

    Hey, I just started growing indoor since about 2-3 weeks ago. I'm growing 5 plants in a 1m/1m/1.80m growbox. 3 of my 5 plants (Amnesia Haze) are growing really well, but the other 2 (AK-47) are growing really slow. They also show some burned tips on their leaves and i don't know what causes...