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    Coco in an Ikea Cab

    This is my first ever grow ever, I decided to go for coco and conditioned an Ikea cab. I probably will buy a Growtent for flowering, though, and keep this for seedlings, clones & vegging.

    Closed cab (no longer being sold, Magiker)



    Cab opened:


    I intend to keep the upper area for vegging and the lower (unused yet) for clones.

    My conditioning has been the opening for passive intraction (see left lower corner, covered with an white alu mesh), cover the inside of the cab with reflective mylar sheet, and a 90mm CPU FAN for extraction (top right).

    The light fixture (PLL 55W 5000K) is DIY also. The (electronic) ballast is in the top at left. I may put it outside the cab but so far temps haven't been a problem and it barely gets warm whatsoever.

    I had some issues with RH, I think the CPU fan was extracting too much (49CFM) dropping RH to about 35%, so I built a (dirt cheap and easy) DIY fan control module to 1- set the temp when the FAN start to kicks in (below that it throttles at minimum speed), 2- sensing (the clothes peg in the solo cup holds the temp probe at leaf level) temps and revving up if temp rises:



    I can say it works wonders... just holding the probe with the fingers the CPU starts to rev up slowly, once you release it it starts to gradually slow down...

    I also (per herbalizor and Bonecarver_OG suggestions, thanks!) hung a wet towel, seen at left cab wall. I added the CPU controller yesterday, and in addition to the wet towel it seems to work well: Temps maxed at 25C/77F, minimum 20C/67F, and RH min has been raised to 42%, max 82%, whereas the Max RH before was hardly 55% . I was using a wettex towel and today I added a regular towel to see if that minimum RH could be raised.

    My plants:



    From top to bottom, left to right:

    Kali Mist #2, Sadhu #1, Kalichakra #1, Kalichakra #3
    Kali Mist #1, Kalichakra #1
    Kalichakra #5, Skunk Express #2, Skubk Express #1, Sadhu #5
    Sadhu #3, Sadhu #4, Kalichakra #4, Sadhu #2

    All Mandala's (Sadhu & Kalichakra) have exactly 19 days, the Kali Mist have 1 week, and the Skunk Express have almost 6 weeks, they suffered most of my newbie mistakes, with 2 transplants prior to going to Coco, but seem to be finally starting off. Kali Mist's have exactly 1 week.

    I use canna coco in solo cups, for nutes Atami's B'cuzz A+B, ATA XL, and Rhizotonic. I PH my tap water (0.3EC) to 5.8 using PH-

    I think my mistakes are clearly visible in the photos, specially in the bigger plants, Sadhu #5, and both Skunk's older leafs show nute burn but finally leaves seem to be "happy" with no droopiness, etc. I used ATA XL too early (won't happen again), put the light too close to the plants, let the coco to dry too much, had the PH meter badly calibrated, etc.

    A little history: bought the feminized Skunks (they're from a new Seed Bank from Spain, Cosmos Seeds) mistakenly as autoflowering seeds, used the wet paper towel, then seed to soil in a big pot outdoors. the sprouted and started off very vigorously but then started to strech endlessly, and white flies met them, I figured outdoors conditions will be a waste for them, so I conditioned the cab transplanted them to small pots (in soil) and there they went.

    I used a CFL too close to the seedlings, and they yellowed. I raised it but yellowing kept. Almost a month passed and the first real leaves shotouts were still stunt , so I slightly nute them, they became greener, thanks to that I noticed yellow tiny spots, inspected them below and noticed tons of white fly eggs... so I went ahead and trim the leaves.

    In the meanwhile I had bought the Mandala seeds thinking my Skunks were almost dead, and decided to go with coco. I thought what the heck and transplanted the Skunks to coco too, and from that they started to grow.

    All Mandala's were sprouted in peat tabs, then as soon as a root pierced the tab I transplanted to a solo cup with coco, but I'm no longer doing that as had two Mandala's sprouts (Kalichakra #1 and Sadhu #3) trapped inside the peat tab: a big root (2in) was visible underneath the tab but the seedling didn't pop. I broke off the tabs carefully and they finally pop; the Sadhu took off fast, but the Kalichakra looks a little stunt. So new seedings will be done directly in coco.

    I'm thinking on modifying the light fixture to hold 2 55W PLL, as 55W may fall short for vegging? (surface: 40cm x 60cm, about 15x23in). Each 55W gives about 4000 lumens.

    I see the Skunk's leaf veins greener than the leaf tissue, but wonder if they're like that or is a sign of nute carency, however as I've screwed thing a couple times with nutes I will go slowly.

    Please feel fre to point out any mistakes or suggestions. I caught the grower itch
    Last edited by repuk; 11-03-2008, 06:43. Reason: fix grammar & typos
    Sativas Are Medicine for the Mind - ThaiBliss ...and Your Soul - Repuk


    Guides: Tangwena's Malawi Cobbing Method Step by Step Diagram Picture Displays Sideways? |How To Post Pictures | Wiring with WAGO's | Undersink RO Res Auto Top | Assemble Your Own DIY RO System
    Current: Repuk Goes to the Jungle (2020) | ACE Indoor 100% Salts Coco DTW Grow
    Past: HPS vs SILs Stealth Garden Shed Grow |ACE Ethiopian, Lebanese and Honduras Outdoor Grow | HMLED/Coco/Blumat stealth understairs micro grow | Coco in an Ikea cab + thermo controlled CPU Fan

    #2
    thats a nice setup you have. How much did that cab cost and what does it measure?

    PC Case Growers Club!

    Comment


      #3
      Very nice, repuk! Thanks for the DIY fan control module link. Did you write that?
      Looks like a fun project. I'll be visiting Radio Shack soon!
      Regards,
      petemoss

      Petemoss' Modular Bio SCROG
      My Perpetual SOG cabinets

      Comment


        #4
        welcome to my grow VaporBros

        That kind of cab is no longer sold by Ikea (Magiker) at least in Spain, I bought it more than 5 years ago, I think it costs about 300€. I have used it for regular tasks

        It's 60cm wide, 40cm deep and inside shelfs height is adjustable, it's 95m tall, right now my main vegging area is 60cm tall.
        Sativas Are Medicine for the Mind - ThaiBliss ...and Your Soul - Repuk


        Guides: Tangwena's Malawi Cobbing Method Step by Step Diagram Picture Displays Sideways? |How To Post Pictures | Wiring with WAGO's | Undersink RO Res Auto Top | Assemble Your Own DIY RO System
        Current: Repuk Goes to the Jungle (2020) | ACE Indoor 100% Salts Coco DTW Grow
        Past: HPS vs SILs Stealth Garden Shed Grow |ACE Ethiopian, Lebanese and Honduras Outdoor Grow | HMLED/Coco/Blumat stealth understairs micro grow | Coco in an Ikea cab + thermo controlled CPU Fan

        Comment


          #5
          Originally posted by petemoss
          Very nice, repuk! Thanks for the DIY fan control module link. Did you write that?
          Looks like a fun project. I'll be visiting Radio Shack soon!
          Hi petemoss!! No, I didn't write it, but I like DIY electronics (mostly audio, and RC) and knew about the method, a quick googling popped a well documented web page.

          Is dirt cheap to build, just need a N channel Mosfet with suitable amp draw for your application, I used what I had at hand, IRF520, and a potentiometer scrounged from a dead radio from my recycle bin.
          Sativas Are Medicine for the Mind - ThaiBliss ...and Your Soul - Repuk


          Guides: Tangwena's Malawi Cobbing Method Step by Step Diagram Picture Displays Sideways? |How To Post Pictures | Wiring with WAGO's | Undersink RO Res Auto Top | Assemble Your Own DIY RO System
          Current: Repuk Goes to the Jungle (2020) | ACE Indoor 100% Salts Coco DTW Grow
          Past: HPS vs SILs Stealth Garden Shed Grow |ACE Ethiopian, Lebanese and Honduras Outdoor Grow | HMLED/Coco/Blumat stealth understairs micro grow | Coco in an Ikea cab + thermo controlled CPU Fan

          Comment


            #6
            BTW, notice the oddity in Kalichakra #1, (third from the left in the top row) in addition (to my newbie eyes) to being the most sativa leaning of all mandalas (leaves farer from stem) see its first real leaves pair is one 5 "fingers" and the opposite "just" 4 fingers??

            Also is funny the second fastest growing seedling, Sadhu #4 already smells...
            Sativas Are Medicine for the Mind - ThaiBliss ...and Your Soul - Repuk


            Guides: Tangwena's Malawi Cobbing Method Step by Step Diagram Picture Displays Sideways? |How To Post Pictures | Wiring with WAGO's | Undersink RO Res Auto Top | Assemble Your Own DIY RO System
            Current: Repuk Goes to the Jungle (2020) | ACE Indoor 100% Salts Coco DTW Grow
            Past: HPS vs SILs Stealth Garden Shed Grow |ACE Ethiopian, Lebanese and Honduras Outdoor Grow | HMLED/Coco/Blumat stealth understairs micro grow | Coco in an Ikea cab + thermo controlled CPU Fan

            Comment


              #7
              wow that electronic stuff is really cool

              Comment


                #8
                Out of my pack of Kalichakra I got one pheno that was really worth keeping. I hope that you get something good there.

                Comment


                  #9
                  Hi Bonecarver_OG! thanks for passing by What do you think about the lightning? will 8000 lumens (2x55 Watt) be too much for vegging?

                  Welcome tobaaaac, I'm curious, any hints to detect that worthy pheno?? effects?
                  Sativas Are Medicine for the Mind - ThaiBliss ...and Your Soul - Repuk


                  Guides: Tangwena's Malawi Cobbing Method Step by Step Diagram Picture Displays Sideways? |How To Post Pictures | Wiring with WAGO's | Undersink RO Res Auto Top | Assemble Your Own DIY RO System
                  Current: Repuk Goes to the Jungle (2020) | ACE Indoor 100% Salts Coco DTW Grow
                  Past: HPS vs SILs Stealth Garden Shed Grow |ACE Ethiopian, Lebanese and Honduras Outdoor Grow | HMLED/Coco/Blumat stealth understairs micro grow | Coco in an Ikea cab + thermo controlled CPU Fan

                  Comment


                    #10
                    You know... I had three females out of my 10. Two of them were awesome, and one comes really lacking on density, smell, flavor and maybe potency. The one that comes out lacking was a monster in veg. This pheno are consistently the best looking plants that I grow until about the fifth week of flower and then the buds just never swell like they should and come out tasting and smelling like hay. The one that I decided to keep is a really stretchy sativa pheno with a high that will keep you up till 5am just sweeping the grow room for no reason. The buds begin smelling like lemons, but not like the way OG Kush does and then progress into some citrus fruit that doesn't really exist. She produces semi-dense buds that foxtail some from like week 6.5 on under my lights. When smoked in a bowl, she tastes slightly fruity but mostly like hash. When vaporized, she tastes like orange sweet tarts. I hand water topfeed with almost no run off in straight coco using the H3ad's formula watered down to about 650ppm. She's ridiculously light eating, and is still lush and green come cut time if I switch to plain pH'ed water half way through week 5.
                    Last edited by tobaaaac; 11-03-2008, 14:16.

                    Comment


                      #11
                      nice little veg cab you have going there repuk. I think it would be pretty hard to give plants too much light with floros. 110w of floros should be fine as long as heat doesn't become a problem. That temp controller on your fan is a nice touch.

                      Comment


                        #12
                        Originally posted by tobaaaac
                        You know... I had three females out of my 10. Two of them were awesome, and one comes really lacking on density, smell, flavor and maybe potency. The one that comes out lacking was a monster in veg. This pheno are consistently the best looking plants that I grow until about the fifth week of flower and then the buds just never swell like they should and come out tasting and smelling like hay.
                        I don't get it... which pheno is the keeper? the ones that don't look awesome??

                        Originally posted by tobaaaac
                        The one that I decided to keep is a really stretchy sativa pheno with a high that will keep you up till 5am just sweeping the grow room for no reason. The buds begin smelling like lemons, but not like the way OG Kush does and then progress into some citrus fruit that doesn't really exist. She produces semi-dense buds that foxtail some from like week 6.5 on under my lights. When smoked in a bowl, she tastes slightly fruity but mostly like hash. When vaporized, she tastes like orange sweet tarts. I hand water topfeed with almost no run off in straight coco using the H3ad's formula watered down to about 650ppm. She's ridiculously light eating, and is still lush and green come cut time if I switch to plain pH'ed water half way through week 5.
                        That's what I've read from Mandala Mike, beter keep low ppms... I learnt that also the hard way

                        So the stretchy sativa (guess leaves are also on the sativa side?) is the one to look for??

                        thanks for the tips!
                        Sativas Are Medicine for the Mind - ThaiBliss ...and Your Soul - Repuk


                        Guides: Tangwena's Malawi Cobbing Method Step by Step Diagram Picture Displays Sideways? |How To Post Pictures | Wiring with WAGO's | Undersink RO Res Auto Top | Assemble Your Own DIY RO System
                        Current: Repuk Goes to the Jungle (2020) | ACE Indoor 100% Salts Coco DTW Grow
                        Past: HPS vs SILs Stealth Garden Shed Grow |ACE Ethiopian, Lebanese and Honduras Outdoor Grow | HMLED/Coco/Blumat stealth understairs micro grow | Coco in an Ikea cab + thermo controlled CPU Fan

                        Comment


                          #13
                          Originally posted by icough2getoff
                          nice little veg cab you have going there repuk. I think it would be pretty hard to give plants too much light with floros. 110w of floros should be fine as long as heat doesn't become a problem. That temp controller on your fan is a nice touch.
                          Thanks icough2getoff!

                          Great, I will build a double PLL fixture then. I think I could manage heat, putting the ballast the highest I could, of putting them outside if heat isn't manageable... I also build the fixture so that heat doesn't get trapped and can easily flow through the reflector to the cab top and then get extracted in order to be able to put it the closer to the plants the better.

                          I'm wayyyy happy with the thermo setup!!! max temp is nailed down now at 25C, but humidity has been kept stable in a much more healthy range now, between 50-80% RH instead of 35-50% I had before, and the plants clearly show it.

                          I also see the coco dries out much more gradually, prior to adding the regulator, the following day after watering coco was still humid, then the next day were almost bone dry. Now on the second day after watering the coco feels partially dry, but is still humid and seems to dry more evenly, whereas before it dried from top to bottom.

                          I have been next to the cab for 2-3 hours and the regulator could be easily heard working: throttling, revving up regularly.

                          So I'm a happy camper now I wholeheartedly recommend it for micro cab setups, plus the ability to stick the "probe" (the NTC resistor) at canopy level or whatever needed spot, where temperature really matters is great. A steal for less that $5 if built from new parts: just a NTC resistor, a N channel Mosfet and a potentiometer or trimpot.
                          Last edited by repuk; 11-04-2008, 09:56.
                          Sativas Are Medicine for the Mind - ThaiBliss ...and Your Soul - Repuk


                          Guides: Tangwena's Malawi Cobbing Method Step by Step Diagram Picture Displays Sideways? |How To Post Pictures | Wiring with WAGO's | Undersink RO Res Auto Top | Assemble Your Own DIY RO System
                          Current: Repuk Goes to the Jungle (2020) | ACE Indoor 100% Salts Coco DTW Grow
                          Past: HPS vs SILs Stealth Garden Shed Grow |ACE Ethiopian, Lebanese and Honduras Outdoor Grow | HMLED/Coco/Blumat stealth understairs micro grow | Coco in an Ikea cab + thermo controlled CPU Fan

                          Comment


                            #14
                            Honestly, the indica pheno was the shit as well, but it was such a weak plant prior to the 5th week of flowering that I didn't get a clone. I guess what I'm trying to say is that you won't know until you see the buds. Both the one that I kept and the one that wasn't up to par were both sativa pheno. I think that you'll really be able to tell in the last 3 weeks of flowering. They both performed similarly through the bud set period. The one that ended up being worse began producing semidense buds and the better one began producing wispy foxtailing buds. Once the buds really begin to come on hard, the calyxes on the keeper swell quite a lot and the density improves. The non keeper's buds keep growing straight out but never swell properly. I hope that I'm making sense.

                            Comment


                              #15
                              So I'd better take clones from all of them just in case... thanks!

                              Update: I built another light fixture, holding 2 PLL 55W.

                              The Skunks and one of the Sadhus seems to have a problem, I thought at first it was nute burn, so I flushed and every two days water with ph'ed water, lowering the A+B dosage.

                              But it seems to keep going, the older leaves are diying, will post some pics today.
                              Sativas Are Medicine for the Mind - ThaiBliss ...and Your Soul - Repuk


                              Guides: Tangwena's Malawi Cobbing Method Step by Step Diagram Picture Displays Sideways? |How To Post Pictures | Wiring with WAGO's | Undersink RO Res Auto Top | Assemble Your Own DIY RO System
                              Current: Repuk Goes to the Jungle (2020) | ACE Indoor 100% Salts Coco DTW Grow
                              Past: HPS vs SILs Stealth Garden Shed Grow |ACE Ethiopian, Lebanese and Honduras Outdoor Grow | HMLED/Coco/Blumat stealth understairs micro grow | Coco in an Ikea cab + thermo controlled CPU Fan

                              Comment

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