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  1. bprestoner

    Grey Tips on Seedling

    *trays pots & TRAYS ***smh
  2. bprestoner

    Grey Tips on Seedling

    never used coco myself, but i understand washing is critical. i think ur gunna need to flush several times in order to get ur ph right. the pic doesnt show what kind of pots & if u have trats. you’ll need to measure your water runoff to know what the ph of the medium is. im guessing it’s nowhere...
  3. bprestoner

    How to feed Manganese?

    whats up with the pink flowers? what do they look like dry? is that a strain that you can direct me to? i’d like a pink flower to give to my wife. it might even get her off my back for spending so much time with my girls!
  4. bprestoner

    F21 - Fan leaves purpling. Phosphorus def? Genetics?

    are those all from seed? same strains? and could it be light stress? only appears to be mainly on the one plant
  5. bprestoner

    Which of these seeds would you pop and why?

    ya know, i’ve only been growing a few years now. and im still sorting out what percentage of amber im looking for. it seems to vary by strain. do you have a specific “percentage” you go by, regardless as to what strain? or do you find some strains go amber quicker? slower?
  6. bprestoner

    Which of these seeds would you pop and why?

    BIG fan of skunk. it’s continually been my best producer & least demanding. blueberry has served me well. i also dig the old timey feel that mrs weedstein mentioned, but for me that takes me to the acapulco gold. im a fem-only, then pheno & clone from momma. no room for growing males. so i skip...
  7. bprestoner

    Sf2000

    i have an sf-2000 growing a single plant, which takes up an area about 2x3. It’s a helluva plant in a 10gal smartpot. I think one could successfully pull off a couple smaller plants, in full flower. certainly wouldnt try any more though. you’d end up with flarfy nugs, instead of the dense stuff...
  8. bprestoner

    Sf2000

    two
  9. bprestoner

    Blueprints for grow room.. need opinions.

    have you not considered led lighting? substantially reduced electrical requirements, as well as dramatically reducing heat. and therefore the need for all that lighting ventilation? you could then maybe use your original chimney path for exhaust? just curious if led’s were a possible solution to...
  10. bprestoner

    What lights? Please help! Need to get setup for harvest soon!

    keep in mind that the tech progresses quickly. when i bought my first Spider, there was no LM301H. Only the LM301B. And be sure to what for that specific diode. I believe Spider is STILL using the B version. Samsung makes a lot of diff led chips. The 301H is the latest, most efficient. That...
  11. bprestoner

    What lights? Please help! Need to get setup for harvest soon!

    everyone’s going to have an opinion. from the several i’ve bought, in the last year or two? that ebay purchase is my best light. as well as being the least expensive one i have (sf & mars). it’s a no-brainer. but that will change. quick. the newest chip, the samsung 301h has only been around for...
  12. bprestoner

    What in the world is wrong with my seedlings?

    soil’s too hot. too much fert. & im not sure u want to use anything but water for foliar spray either. in the seedling phase, they’re not ready for all that. wait until you have several sets of leaves before amending sprays or the soil. seems to me like you’re just over-thinking things, for...
  13. bprestoner

    Do you pull the dying fan leaves on autos(outdoors IL)

    i dont. The plant is using up the nutrients in those leaves, turning them yellow. i only pull brown, dried leaves.
  14. bprestoner

    whens a good time to harvest?

    just saw this pic yesterday. might be useful. you’ll want to get a jeweler’s loop, to see the trichomes. i harvest at 50% amber. they begin clear, turn milky (almost time), then turn amber (brownish) color. Harvest when 10% amber, more sativa feel. Harvest when 50% amber, more indica feel. this...
  15. bprestoner

    What lights? Please help! Need to get setup for harvest soon!

    agree completely. competition breeds innovation. and I’m all about the “little guy”. the lights im using, from HyGrow on ebay? i think some guy in NCarolina is assembling them, at home, trying to help pay for his wife’s medical bills. HLG, Spider Farmer, Mars... they’ll certainly survive without...
  16. bprestoner

    What lights? Please help! Need to get setup for harvest soon!

    my experience couldnt be better. dimmable, samsung lm301h, osram red, mean-well? pre-assembled onto a slick heatsink, enough cord to put driver outside of my tent? whats not to love. my 350w 3-board unit is brighter than my SF-4000. and cost about half as much.
  17. bprestoner

    What lights? Please help! Need to get setup for harvest soon!

    imo, im happier with my off-brand purchase (hy-grow lighting solutions) than i am with my SF-4000 or my Mars TS-3000. Dollar for dollar? These lights use the new 301H quantum boards, they have the same mean-well drivers.... and they cost less. still having a warranty. check these out by going to...
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