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  1. listmann

    Carbon Filters

    Anyone? C'mon, that can't be...
  2. listmann

    mh or cfl?help me

    Ye, no offense but that seems higly unlikely to me... But then again, i don't know exactly what type of lamp you are talking about,... But generally, energy saving bulbs are not as lumen eficcient as HPI/HPS Edit: Bong-juice, i am curious as to your yield... I mean, i can harvest between...
  3. listmann

    mh or cfl?help me

    Right, First off i would say u gotta watch that E.C. It sounds like it's on the high side, but if the plant tips arent yellowing, you should be allright, but any E.C. Above 1.8 and you risk mineral build-ups, that will require flushing. For the CFL Vs HPI/HPS; I don't remember the exact...
  4. listmann

    Carbon Filters

    Hi All :-) I'm a grower from Denmark, i just had my first harvest of 450g good stuff :hump: I've got a small grow tent, 1.2*1.2*2.1 metres, in wich i have a 600W HPS lamp, and i grow hydroponics. Now, i went and got more exhaust than i needed (A 340m3 Pump with a 300m3 Carbon Activated...
  5. listmann

    Hydro Ph

    What??? :fire: NOOO!!! 6.0-6.4 :hump:
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