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  1. Jack Larson

    Hood Glass ?

    I have a 13x22 1\2 Sus Systems Hood with a 1,000 watt HPS Three feet over plants in a 4x4 tent.I remove heat with a 6 inch CAN FAN 265 CFM. My question is what would be the advantage of taking the glass out of my hood ? Would it increase \ improve light output? , or would I have to raise the...
  2. Jack Larson

    Feed Mother B4 Cloning?

    I grow in soil, and I want to know how long should I waite after watering\feeding a mother before taking clones ?My theory is if I cut right after feeding that nutes will remain in the clones tissue helping to sustain it untill roots grow. Any Thoughts ? thanks and..:peace:...J.L..
  3. Jack Larson

    Cooked Soil Anyone ?

    So on a recent trip to my local Hydro Store, I was, as usual, bending the ear of the self proclaimed expert\owner and I asked ...what is the best way to make sure my soil has no bugs before I use it? And he said you can always cook it. With out missing a beat I said that makes sense. I'll do...
  4. Jack Larson

    Guru Grow Lights?

    anyone use Guru Grow lights. Can it really replace a 1000w hps? I just can't see how.
  5. Jack Larson

    Canoeing What Causes It?

    what causes canoeing ? My Sour D does it every time I put them in to flower, also the leaves point straight up for first 3-4 weeks. I'm using Royal Gold basement mix and just Ph water for first couple of weeks then start nutes at 1/4 strength. I don't get it, and I am not a noob.Anybody have any...
  6. Jack Larson

    Royal Gold Basement Mix?

    Anyone ever tried RG basement soil-less medium? I have been very disapointed with Fox Farms and Roots Organics ,I've been finding bugs in both (fungus gnats) so today I got a couple of bags of Basement. Never used it before, anybody have anything good or bad to say about it? is it as good as FF...
  7. Jack Larson

    Canada Celebrates 420 in a Big and Important Way!

    This is Great News for All Smokers & Growers around the World. The Tide is beginning to Turn! Let's hope the US sees the writing on the wall :weed::bigjoint: http://www.globalpost.com/dispatch/news/regions/americas/canada/110418/pot-medical-marijuana-legal
  8. Jack Larson

    Marijuana,Carbon footprint,power consumption!

    I've always wondered about the environmental effects of growing indoors vs outdoor growing. I have seen a lot about OD growers poisoning streams and in general making a big mess polluting our forests and other greenland areas. But I have always felt exempt from this irresponsible behavior as I...
  9. Jack Larson

    Fans off for c02?

    I know to turn off exhaust fans during c02 , but is it necessary to turn off the circulation fans as well?
  10. Jack Larson

    Fern Food?

    what should I use to feed/fertilize a fern? any good soil recommendations would be appreciated as well....{Boston Fern} :-?
  11. Jack Larson

    The Most Bud Ever Harvested from a Single Plant?

    I remember reading an article in High Times about a guy that vegged an afghani strain indoors, pruning and training it for one year. Then put it outside. When he harvested this plant, he claimed to have gotten a little over 5#'s. And ever since, I've wondered, how much could a single plant...
  12. Jack Larson

    Folier Spray...Top Side or Bottom Side?

    For best results, should foliar spray be applied to the top side of the leaves, or the bottom side of the leaves? And, can you use folier spray on plants that you also use Neem oil on?
  13. Jack Larson

    Is the Arsenic in Botannicare dangerous?

    A study by the WSDA (Washington State Dept. of Ag.) showed that Botannicare has the highest levels of Arsenic on the mkt. I was surprised to find out that a product they make called "Sweet" contains .338ppm, while .5 is the legal limit. Does this end up in the plant tissue? I've used...
  14. Jack Larson

    Who's my baby's Daddy?

    About 6 months ago I got 4 plants from a dispensary. One for a Mother and 3 to grow. Well, one of the 3 that I grew out produced seeds. From those seeds, I germinated 25, and every one was a female. Not a single male. When I grew those girls out, I ended up with 3 distinctly different plant...
  15. Jack Larson

    Hydro Advanced? "Dirty Soil" not?

    There is no dirt/soil in my medium although most would refer to it as soil. I grow in a soiless medium and use nutes that are also be used for hydro. I even alternate between nutes and clean PH'd water. So how exactly is my way dirty? While hydro is advanced (per, Sticky) the greatest...
  16. Jack Larson

    Botanicare Fungus

    I have known about the importance of beneficial funghi in soil for a long time, but up to now it has been very expensive ($300 a jug!). But now Bontanicare has a product called ZHO - Rhizosphere Root Innoculant. ($30 for .25/lb) which has made an amazing improvement in uptake, thus, more...
  17. Jack Larson

    HPS Bulbs - Time frame for optimum efficiency and when to change it

    I have heard that you should change a HPS bulb every 12 months. My 1000 Watt HPS Hortilux bulb is going on 18 months & it seems to be doing fine with a traditional non digital ballast.
  18. Jack Larson

    White Widow - Three Days Dark to produce extra frost?

    I have heard that if you put a White Widow in total darkness for 3 to 5 days @ the end of flowering that the plant will really get frosty. Does this work? If so does it work on any other strains?
  19. Jack Larson

    The Purps: Ice Water Flush - effective?

    Specifically The Purps from BC Bud Does the whole plant have to be cooler to turn The Purps strain purple? Or will an ice water flush and/or an ice water soaking be enough? In either case, how long does it take?
  20. Jack Larson

    Bud Blaster Folier Spray

    Is it possible to use "Super Natural Bud Blaster" as a folier spray? If so, in what amounts and is it effective?
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