Help plants gonw white

Discussion in 'Sick Plants and Problems' started by mels, Aug 11, 2007.

  1. i have seedlings in rockwool watering once a day they have gone white and died what happened?
  2. Can you post pics please
    1. Soil or soilless & brand name of soil , hydro?
    2. PH of medium?
    3. PH run off?
    4. PH of water?
    5. Age of plants?
    6. What Fertilizer, dosages, and frequency?
    7. lites, wattage & proximity to plants
    8. Light cycle. 24/0,, 18/6,, 12/12?
    9. In light cycle how long?
    10. Room temps
  3. Sorry have no pics but can describe

    no soil just in cubes
    Ph was 5.5
    very little nutes used
    125w cfl 1 foot away
    light cycle 24/0
    temp approx 30 degrees centigrade
  4. rockwool has no nutritional value, so if your not feeding them much I believe thats the answer., your water & ferts need to be PH balanced, lower the lites, to 3-4 inches

    whats your intentions, after germination? hydro methods? soilless? ???

    your attempting advanced growing techniques, growing soil is more forgiving till you learn the strain you have
  5. Thanks i have got some bubble buckets for them, the problem with lowering the light is that it seemed to burn them, however i will try this with my next attempt also have you an idea of the concentration of nutrients i should be giving them at this stage
  6. I really dont do hydro, only solve the sick problems in hydro,

    as to different techniques, dailing in the PPMs etc, go to the "advanced growing forum", and post that question

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