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  1.     
    #1
    Junior Member

    hydro, pump on constant??

    first grow,
    i have some curling in leaves and the bottom leaves are starting to go brown from starting out as brown spots, iv read this is due to heat stress as ther was very low humidity, im using 2 600w sodium, just switched to 12/12, im hopeing this will give them more time to rehidrate, im also thinkin off swaping a 600 for a 400 to take the heat down a bit, i have good intake/exhaust both are 5 inch, big blow fan, using a ikon 18 table with rockwool, temp has been a little high at 30 - 33 degrees but hoping the change in wattage will reduce it to under 29n c,

    my question is with me switching to 12/12 ow with the pump flowing constant they will perk up??
    rudituite Reviewed by rudituite on . hydro, pump on constant?? first grow, i have some curling in leaves and the bottom leaves are starting to go brown from starting out as brown spots, iv read this is due to heat stress as ther was very low humidity, im using 2 600w sodium, just switched to 12/12, im hopeing this will give them more time to rehidrate, im also thinkin off swaping a 600 for a 400 to take the heat down a bit, i have good intake/exhaust both are 5 inch, big blow fan, using a ikon 18 table with rockwool, temp has been a little high at 30 - Rating: 5

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  3.     
    #2
    Senior Member

    hydro, pump on constant??

    probably?..maybe?...look here...Hydroponics - Cannabis Forums Message Boards - Medical Marijuana, Cannabis Club, Dispensary, News

    all answers to all questions...:thumbsup:

  4.     
    #3
    Junior Member

    hydro, pump on constant??

    cheers for that, cant find anythin trhe same, will my leaves uncurl them selves if i get the humidity up?

  5.     
    #4
    Senior Member

    hydro, pump on constant??

    If it is bottom leaves only and not the top then I betting it not heat. Top of plant closer to light and burns first.

  6.     
    #5
    Junior Member

    hydro, pump on constant??

    THE TOP LEAVES STARTED TO CURL IN THEN THE BOTTOM LEAVES STARTED GETTIN BROWN SPOTS, THEN THE LEAVES WITH SPOTS WENTS REALLY DRY N BROWN, I HIGHERD THE LIGHT, AN SWITCHED TO 12/12 HOPEING THE LONGER DARKNESS WITH THE PUMP ON WOULD HELP AND I THINK IT HAS, IM SWAPPING 1 MOF MY 600W FOR A 400W TODAY SO SHOULD TAKE HEAT DOWN AND BRING HUMIDITY UP A IT?? NW2AT U THIUNK

  7.     
    #6
    Senior Member

    hydro, pump on constant??

    I'm not so worried about your light. Tell us about your table.

    If it's a flood and drain with large rockwool cubes it should not be running all the time. Sounds to me like your rockwool is staying too wet. A drip system is the only system that can run 24/7 but eveb then you can have problems. Should be running for 15 minute ever 2, 4 or 6 hours or however long it takes to fill the tables.

    Getting the heat down will help too.

  8.     
    #7
    Junior Member

    hydro, pump on constant??

    IM GONA PUT SOME PICS ON AT AROUND 11 TONIGHT, PLZ AWAITE THEM AS I THINK IV GOT FURTHER PROBLEMS, QUITE ALOT OF LEaf is dryin out from bottom upwards, starting brown then going yellow

    my system is a ikon 18 table, pumps water in at top then runs down back into tank then back round again and again, ph is kept 5.5 - 6-2, some times it wonders out so it gets corrected every time it does, feeding hydro ionic bloom, on my tester my tank reads 0.7 - 0.9

    pics will be on later

  9.     
    #8
    Junior Member

    hydro, pump on constant??

    here they are, sorry for the pic qual,,,, wat do u experts rekon???????

  10.     
    #9
    Senior Member

    hydro, pump on constant??

    brown spots look like a phosphorus defeciency.. something could be locking up the roots' P intake, what are you doin for nutes?

  11.     
    #10
    Senior Member

    hydro, pump on constant??

    where is your PH at also??

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