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  1. Crysmatic

    (Fatman's) DIY nutrient mixing guide

    Haifa is excellent quality. Professional greenhouses use 2-1-2 for general leaf crops. Like Haifa suggests, use a 2-1-3 or 2-1-4 throughout flowering. i.e. Polyfeed GG 16-8-32. Fatman admitted to personally using 2-1-4. They don't mention Calcium or Magnesium ... I hope they're in the...
  2. Crysmatic

    Economic Analysis Of Greenhouse Lighting: Led Vs. Hid Fixtures

    I have to correct myself again. per his site, the latest PLC6 is ~10% more efficient than Gavitas 600 (i.e. 1100 umol/s with 50W less). You'd need TWO plc6 to equal one Gavita 1000DE at 2100 umol. That's 1182W of COB LED to equal 1064W of HPS (consumed). The hypothetical 662W light above...
  3. Crysmatic

    Economic Analysis Of Greenhouse Lighting: Led Vs. Hid Fixtures

    The photo red is actually much more efficient than whites for ppf (more but lower energy photons). This is their easy cheat to bump ppf/w but not ideal for plants. 10x 4000K + 2x 635nm per pcb give a ~1.0% peak at 635nm; right in the meat of the mccree's action spectrum. About 11% more ppf/w...
  4. Crysmatic

    Using Hydro Buddy

    I'm not on here anymore. just happened to find a thread related to something I'm researching and saw an alert. read my post again. follow it. do it many times. try out different things. maybe you're asking hydrobuddy something invalid? what ppm are you targeting, and what is the result...
  5. Crysmatic

    Economic Analysis Of Greenhouse Lighting: Led Vs. Hid Fixtures

    I was doing some estimating just this morning. Many parts are super expensive to build a single 520W light. You have to get into the hundreds before it comes down on par with commercial units (and that's if you diy). fwiw, a single 4 foot length of heatsink is cheaper than four 12" lengths, or...
  6. Crysmatic

    JACKS BACK!!! Capulators new formulas.

    fwiw jack's already has plenty of magnesium. drop the epsom! i.e. 3g jack's, 2g calcinit per USgal. just maintain your EC. Everything is already there in adequate amounts (perhaps a couple ppm iron will help). if you're getting more leaf than bud, learn to manage EC and water better. KISS
  7. Crysmatic

    Mit Open Source Food Computer

    Those are the things we're talking about - climate, EC/pH, CO2. It's usually the grower's fault for any problems... Raspberry Pi grow computer...DIY and forums. Seems like temp/humidity/lights atm. http://www.raspiviv.com/
  8. Crysmatic

    Mit Open Source Food Computer

    http://openag.media.mit.edu/hardware/ The idea is to get everyone, regardless of skill level, to become self-sufficient and grow their own food. Currently at the $1000-2000 price point. Greenhouses use $100,000 Priva software to manage operations. Grodan is releasing a $3000 version...
  9. Crysmatic

    Grow #3: Organic Mix

    Adding blood meal seems to be the reason the plants aren't yielding like last run. Stupid me. I don't know if it's the K and S I've given them, but they're frostier. Chocolate rain - same cut; one is frostier and purpling Qush1 - very easy to clone. Biggest yielder (but not big) Qush5 closeup...
  10. Crysmatic

    Grow #3: Organic Mix

    I see why they call it sweet tooth...I devoured two pieces of cake...because that's all we had left :)
  11. Crysmatic

    Grow #3: Organic Mix

    Nirrity, hawaiian x st3 looks and smells really nice...one reminds me of boo berry cereal from my childhood. it is super fat, trichome covered, very little leaf. easy to grow. needs support! I was joking with a buddy that a cola fell down, and it was so loud it startled me :) They're at...
  12. Crysmatic

    (Fatman's) DIY nutrient mixing guide

    I've used NPK 1-2.5-1, 1-1-2, 1-2-2, and 2-1-3, and they all work well. I've used 2-1-3 all through flower, without PK spikes, and it's worked fine. I got big, sweet, fragrant flowers (thanks to rockwool as well). 2:1 P:N really pumps up the buds. Plants "time average" their feedings. They...
  13. Crysmatic

    Grow #3: Organic Mix

    Sorry to hear that Seamaiden. I was also disappointed with Jilly. The one plant that didn't hermie, looked great, reeked of grapefruit, and had a weak buzz (but nice after a couple of bowls). It seeded my buddy's entire room :( My patient begged me to run Jilly. I decided to buy jack...
  14. Crysmatic

    Grow #3: Organic Mix

    The last few weeks have been shite. In and out of doctors. I messed up my shoulder after xmas and now l have a hernia. It makes geoponics tricky... I'd usually prune no later than week 2, but the road kill unicorn needed a trim. Half a grocery bag later... Feedback from another grower on qush...
  15. Crysmatic

    (Fatman's) DIY nutrient mixing guide

    I don't agree that Spurr's mixes are ground breaking. Tap water has carbonates. done. pH isn't the only parameter that needs to be managed. EC is more important - it regulates transpiration. Chelated nutrients make pH even less critical. pH drifts because the plants use up ions. What's the...
  16. Crysmatic

    Feeding Sulfur to increase terpenes?

    I've been away from this for two years o.O Good info. First, a point about greenhouse tomatoes. They are bred for yield, and not taste. This is a necessary evil of being in the business of $2/lb produce. The gourmet tomatoes are grown the exact same way, with the same food, only at higher...
  17. Crysmatic

    Grow #3: Organic Mix

    Humulon. 3,5,6-trihydroxy-4,6-bis(3-methyl-2-butenyl)-2-(3-methyl-1-oxybutyl)-2,4-cyclohexadien-1-one; alpha-bitter acid; alpha-lupulic acid. C21H30O5; mol wt 362.45...Antibiotic constituent of hops (humulus lupulus L., Moraceae). Isoln from commercial hops: Bungener, Bull. Soc. Chim. 45, 487...
  18. Crysmatic

    Grow #3: Organic Mix

    There is, but I would ignore the few ppm in a tbsp of hops. My mix is likely deficient in S in the first place...especially by mid flower. 111 ppm is not a lot, especially every other watering. I opened my Merck Index, and here's what it has to say about humulon and lupulon. To sum up, it's...
  19. Crysmatic

    Finding My Nutes - Nutrient report

    This is not scientific, but still very interesting. I've started adding hops to my mix because you mentioned Canna contains hops extracts. My feed water smells like light beer :) Bayarea: Do you believe you can combine the AN yield with the EJ quality? Have you tried adding Catalyst, Meta K...
  20. Crysmatic

    Grow #3: Organic Mix

    What do you mean you have leftover hops?? Don't you put them in your beer? ;) fwiw don't try chewing on hops pellets...and then make your friends try it. Hops lose their volatile aromatic compounds within days if not refridgerated. I don't know if it's these that help cannabis - at least I'm...
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