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  1. cobshopgrow

    i’ll not buy another led until..

    yes, many strange designs out there. some are simply like that cause the prototype pcb oven wasnt any bigger or else. one thing is what sells and one is what makes sense technically. this not always goes hand in hand. lets take a analogy to pc overclocking. you can gain a 10 to 20% more speed...
  2. cobshopgrow

    i’ll not buy another led until..

    for this "feature" i would pay extra, i dont say the usual fixtures out there are ideal in my view. btw never said that higher diode count dont need increased real estate on the PCB, thats a given for me. go as large as you can, but skip the weight for the heatsinks and drive it low instead.
  3. cobshopgrow

    Did my cheap QB wreck my plant?

    whats the tent size? so you went from 120 to 240W in the same tent? as been said, spectrum should be ok.
  4. cobshopgrow

    i’ll not buy another led until..

    the cost of the extruded parts is probably higher then the cost for the diodes on a PCB. what rocket said, makes absolute sense, to increase the diode count then to spend the money in the heatsinks. heatsinks increase the shipping price also and theire really not even needed if you drive your...
  5. cobshopgrow

    modular overkill led striplight build

    describes the times well... from 2016
  6. cobshopgrow

    modular overkill led striplight build

    result for the smaller tent is 540g, which is really good for 200W.
  7. cobshopgrow

    modular overkill led striplight build

    yield had been a good 600g very nice quality buds on the square meter, space had been really maxed out. power usage had been below 300w max even with the buddies used.
  8. cobshopgrow

    Who's Got The Fostiest Buds? Let's See How Frosty A Bud Can Really Get?

    Sweet Seeds Do Sweet Dos, its a dos si dos.
  9. cobshopgrow

    modular overkill led striplight build

    theyre pretty ripe. still throwing white pisitils, bit unatural, havent dimmed the light, guess its related. they see 1200ppfd where they still throw psitils, leds are very close, maybe 6cm. amber is clearly settng in. smells great. will harvest very soon. normally i simply cut the stem and...
  10. cobshopgrow

    Extreme Defoliation...

    just wanted to make your life easier :D.
  11. cobshopgrow

    Extreme Defoliation...

    nope, 2610 Mikrosiemens is 2610 Mikrosiemens = 2.61 Millisiemens so, its 2.61 EC not "about" 2.7-2.8, as simple as that.
  12. cobshopgrow

    Vert(600+400) 5 plant, from Ukraine with love

    keep us updated.
  13. cobshopgrow

    DOES DIMMING AN LED QB AFFECT THE SPECTRUM IT PRODUCES?

    it alters the sectrum a tiny lil bit, but nothing you have to worry about, its maybe a 100 kelvin, so low i never worried about it.
  14. cobshopgrow

    modular overkill led striplight build

    thanks, yes should be fine, not worried. there is lots of cookies in the lineage and shes overall a bit foxtaily. have no problem with it, looks good to me in the bag.
  15. cobshopgrow

    modular overkill led striplight build

    the squaremeter tent is at day 65 now. this pheno was the quickest finishing, breeder say 70% indica and 8-9 weeks. prob a week more, there are still fresh white pistils, but guess thats foxtailing due to the light. could be more then a pound. i really like the bud structure and smell of it...
  16. cobshopgrow

    Any recommendations for a par meter

    thats some good deal. just so the list is complete, this spectromaster c7000 measure ppfd too (their cheaper units sadly dont, while they could technically). https://sekonic.com/sekonic-c-7000-spectromaster-spectrometer/ well, if one find a good deal on ebay or have some photographer friend to...
  17. cobshopgrow

    modular overkill led striplight build

    so far all well. tent is showing some fall colors beginning week 9. bigger tent is ripening quite early, mother had been the same, relative quick finisher. bud development is nice. frosty and stinky. smaller tent is on track too, having quite some weeks to go. its more spicy, herbal...
  18. cobshopgrow

    Newbie trying to scale it up!

    think thats a bit much youre aiming for, will be hard to keep the enviroment in check. youre going to need a lot airexchange if you have 30sqm flowering canopy in a halfway normal sized flat. needs a lot dehumidifers prob, few of the 450W ones. and even 5kw can be suspicoius, you will be far...
  19. cobshopgrow

    New in the grow scene. Leafs curve

    hard to say then, if it gets worse its may too much.
  20. cobshopgrow

    New in the grow scene. Leafs curve

    that sounds like too much light at this stage. dial it down if you can.
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