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  1. Doctor Cannabis

    2 problems-co2 turns on top leafs droop? then week 4 bottom leafs yellow WHY? rep +

    These commercial nutes and hydro setups in general have a lack of microelements (magnesium, iron, copper, sulfur, boron, molybdenum...), while they are great in the NPK department. Maybe this will make it clearer: you've fed your plant only bread... eventually you're gonna get a vitamin E...
  2. Doctor Cannabis

    Help!!! Leaves curling

    Your plant is suffering from N toxicity, notice that the leaves and veins are much too dark green. You gave her too many nutes,but she somehow handled and processed them, but now it's starting to show... You need to flush and lay off the nutes for a while.
  3. Doctor Cannabis

    Iron Def?

    Molasses only has trace amounts of microelements or K, but still enough to fix any micro def. Situation like "X lock out Y" is only admissible if you have too much X. K locks out iron for example, but only if you really, really overdo it.
  4. Doctor Cannabis

    | rain water | snow water |

    Oh man... my mother called my a few months ago telling me to buy her one of these...
  5. Doctor Cannabis

    upping the ppm?

    Seedlings should be around 50-150 PPM Unrooted clones to be around 100-350 PPM small plants to be around 400-800 PPM large plants to be around 900-1800 PPM
  6. Doctor Cannabis

    Iron Def?

    That is so balony. It's the old leaves that turn dark green, the new growth starts turning yellow from the tips. The people that write this stuff should at least pick up a textbook or a pamphlet or something... Double the molasses. 2 tablespoons/gal is what you need in order to fix this.
  7. Doctor Cannabis

    2 problems-co2 turns on top leafs droop? then week 4 bottom leafs yellow WHY? rep +

    Here's your 3 problems: 1. You overfed your plant. The leaves and veins are much too dark green. You'll need to flush and lower your nute concentration since she already has too much N. 2. The yellowing is caused by a pretty serious magnesium deficiency. I have no solid knowladge regarding...
  8. Doctor Cannabis

    You always seem to have something useful or interesting to post. Keep up to good work.

    You always seem to have something useful or interesting to post. Keep up to good work.
  9. Doctor Cannabis

    | rain water | snow water |

    Damn good info. I'm sure one of these rain harvesting systems pays for itself in a short amount of time. I'm curious how much one of these costs and if they can be used for appartment buildings. As for the rainwater...agreed, there's no better. But what about the folks that sometimes have a...
  10. Doctor Cannabis

    whats the problem?

    Deformed wavy leaves are a sign of: overwatering, hot temps, slight N toxicity, too high/low pH or a root problem. Doesn't seem overwatered, temps are ok, veins are nice and light green, roots are fine. This just leaves your soil's pH as the main culprit.
  11. Doctor Cannabis

    Iron Def?

    This is more probably copper def, looks very much like iron def, but in iron def new growth comes out completly light green or yellow. Molasses of any kind will fix this. 2tbs/gal every watering.
  12. Doctor Cannabis

    Sprouts Turning Brown. First Grow, Plz Help

    I'm sure this thought crossed your mind: genlty taking off the seed shell so the plant can get some light.
  13. Doctor Cannabis

    Help! First Grow (Various Strains)

    Nute burn. Flush and lower the nute concentration for the future.
  14. Doctor Cannabis

    Auto Flower Seedlings droopy/unhealthy-HEALP PLEASE ASAP!

    Auto's are still great if you have limited space or want a fast cash crop. I really like Smurfberry, Blueryder, White Dwarf and Dieselryder.
  15. Doctor Cannabis

    Auto Flower Seedlings droopy/unhealthy-HEALP PLEASE ASAP!

    Unexpected. I've never had this happen to me and never heard of any cfl grower actually complain about it, so, as you said... live and learn.
  16. Doctor Cannabis

    Auto Flower Seedlings droopy/unhealthy-HEALP PLEASE ASAP!

    That's true, but only if you have really strong lights, not cfls.
  17. Doctor Cannabis

    Auto Flower Seedlings droopy/unhealthy-HEALP PLEASE ASAP!

    Yeah, there's a billion methods, none more efficienct than the other. I do exactly what edot13 does, pop them in the soil and just let them grow. No bottles, jars, mini-tents or stuff like that. I just mist them twice a day and I've never had any problems.
  18. Doctor Cannabis

    Yellow spots 7th week of flowering

    Get some pH down. You can find it at any pet store, it's used for aquariums.
  19. Doctor Cannabis

    Auto Flower Seedlings droopy/unhealthy-HEALP PLEASE ASAP!

    Twisted leaves like that are a sign of either a too high humidity or a wrong pH. I suggest you also check the roots for any damage.
  20. Doctor Cannabis

    Why are the stems purple on my plant?

    I thought low temps cause stems and leaves (and occasionally buds) to turn pruple.
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