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  1. R

    Fans for intake/exhaust

    How big exhaust for room size (9m x 9m x 4.5m) ?
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    Leaf problem , (vertical, tubes with coco)

    You see the system , PVC tubes filled with coco substrate, i have 2 600w (cooltube) and they shine 9 hour each (18/6), temperature is 22 - 28 °C , moisture is ok. Now half of the plants have yellow leafs like you see on the picture. Is this lack of water , fertilizer or maybe oxygen in tubes...
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    Aeroponic (vertical tube cooling)

    Will PVC tubes (covered with glass wool) make eny effect on water temperature inside? (System 4200W 3.5m tall) or this is no worth cent and i should use ordinary pvc tubes ? If i have right the glass wool absorb some heat.
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    single cola plants?

    How much do you get from one single cola plant ?
  5. R

    single cola plants?

    I have coliseum garden and i can have only 11L pots , i veg. plants in another room. I will try to veg. in 20L pots and than i will transplate plants to coliseum garden with 11L pots (so there will be full of roots). Questions for you: Is that possible or not ? ( how will plant react on this )
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    C02 Calculator ~ Calculate How Long to Run your CO2 Tank

    All right i solve this problem: Grow room area: 700 cubic feet Amount of CO2 required: 0.84 cubic feet = 23.7861 L = 47g(15°C) 1,847Kg (co2) (15°C) = 0,9344m³ (934.4L) 1,977Kg (co2) (0°C) = 1m³ (1000L)
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    C02 Calculator ~ Calculate How Long to Run your CO2 Tank

    I have 20KG bottle I put my bottle on the scale and see how much g or kg have release to the air. How can i calculate how much do i need for Grow room area: 700 cubic feet (in grams or pounds ...) Grow room area: 700 cubic feet Amount of CO2 required: 0.84 cubic feet <- How much...
  8. R

    15 lbs in a room

    I`m running some project but i dont know result jet. 1 system (coliseum) with:2 x 600W Grolux (90.000L) (digital ballast) ,60 (plants) 11L pots 33% perlite , 33% soil , 33% vermiculite I expect 1.5 kg or maybe 2 kg. How can increase these results? If you ask me i will try: Longer...
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    single cola plants?

    Grow from seeds (wait until the they come out and produce two bigger leaves) than First week 18/6 Second and third week 12/12 (use veg. fertilizers) _____ Flowering period 12/12 (use flow. fertilizers)
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    single cola plants?

    How about that: When the seeds look out with 2 bigger leaves you put the light on 18/6 for one week. Than you put the light on 12/12 for two weeks and add only grow nutrients. ... after this is flowering stage. What do you say about that? Enyone?
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    Hydroponics

    What is the difference between clone and regular seeds in hydro grow. I would like to make hydro grow (rockwool)(vertical 360° SOG) with regular seeds because i dont have place for big mothers to make clones. What do you suggest i attempt to use white rino and LST method for lowering plants?!?
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    New System Aero360° , 2008

    Hello everyone I am here to introduce my product AERO360°. This was the first picture of idea. Now look closer and you will see how much flexible is the system AERO360°. STRUCTURE : Its made from 3 towers and you can reduce highs just like skyscraper. If plant rise too close to...
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