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coco pot size advice

Discussion in 'Drain-To-Waste Hydro' started by lickalotapus, Jul 1, 2014.


    lickalotapus Well-Known Member

    Hey guys iv just finished building a wardrobe
    2.2x1.1 x1.1

    This is a 2 plant vertical scrog with 2 x 600w hps bare bulbs
    grow and iv just started the beans , 2× ghs super lemon haze
    Each plant will be yielding 1 - 1.5 Lb per plant and I was wondering if anyone has a sort of formula they use with
    *yield to litres of coco or
    *watts to litres of coco
    Im thinking of using 2x 20L buckets

    BustinScales510 Well-Known Member

    I believe it is 4 liters to a gallon, so those would be 5 gallon pots..that seems undersized. I used to use 600 watt bulbs and I did 4 x 3 gallon pots (12 liter?), and then I switched to 1000s and started using 4 x 5 gallon pots. So that equation would be 2 gallon (8 liter) per 100 watts.

    I think if youre going to be doing 1 plant per each 600 you oughta go bigger, especially with the ambitious goal of 1-1.5 lbs per plant.

    lickalotapus Well-Known Member

    yeah the 2 plants are sharing the two lights so basically 600w per plant , from what iv read it seems some guys with alot of experience recomend 1L to 1 ounce and be watering 3 times a day , but thats a tiny pot for a l.8m plant withtgat much bud, might start with a 5 gal (25L) and once dialled in experiment a bit

    Squidbilly Well-Known Member

    It depends on how long you veg! And to pull a pound from a 600w you'll need to veg pretty damn long.

    lickalotapus Well-Known Member

    Its a 9 week strain , when I put 2 in flower I will take 2 cuttings and the will be flowered 9 weeks later ,
    Sounds strange I know , but where I live the penalties for growing are pretty serious if your caught with 5 or more

    GanjaGanjaKushKush Active Member

    That one 6 is plenty enough for 2 plants there is a thing of too much light

    lickalotapus Well-Known Member

    I dont think there is too much light as the canopy is 1.8 m tall and 0.8 diameter , thats 4.5m2 canopy with 2 sativas and 9 week veg , they should cover that area just fine
    Burnt Reynolds

    Burnt Reynolds Well-Known Member

    3 gallons is big enough for a 6ft girl. Plants prefer small pots with coco and yield awesome when they're a bit rootbound.
    since1991 likes this.

    jarvild Well-Known Member

    Having run GHS SLH for 5+ years I can tell you that your goal is too high.

    lickalotapus Well-Known Member

    Probably not , but it doesnt hurt to try, iv turned it in to a bit of an experiment to see which strain will suit the best and I am now running 3 plants for the first run
    Barneys farm laughing buhdda
    And royal queen , power plant

    lickalotapus Well-Known Member

    Thanks , im going to run 3 this first run and use 10L pots (2.5 gal)

    tightpockt Well-Known Member

    I'm running pretty much the same setup, just scaled down a bit. If you're using smart pots 5 gal should be good...7 gal might be better.

    lickalotapus Well-Known Member

    Do you have any pics of your setup on here?

    ghb Well-Known Member

    i grew a 15oz plant in a 20l pot but it was utterly root bound and the plants health suffered, it also required watering twice daily in mid flower which was a pain in the ass, had it been in a bigger pot i feel the plant would have yielded more and been in better health

    my last run i used 150l nft tanks filled with 3 bags of coco, i got over 700g of dry buds from one plant, the plant got so big i had to put the lights around it rather than over so it was sort of vert set up lol.
    lickalotapus likes this.

    burgertime2010 Well-Known Member

    Coco does well in 1 gallon pots, less veg time. Mine are on an ebb and flow and roots grow out the drainage holes. Lots of feeding and roots dont need as much space.

    ghb Well-Known Member

    whilst i agree coco does well in a 1 gal pot try growing a 25 oz plant in one.

    imo 20l pots with around 4 weeks of veg will get you a gram per watt in coco. the most efficient balance of weight and cycles per year.
    Aeroknow likes this.

    burgertime2010 Well-Known Member

    I just happen to be in week 4 of veg with 1 gals. I have 3 gal pots but am confused.....do u grow one plant only?

    ghb Well-Known Member

    i was talking to the original poster, he wants to grow 2 plants at a time and wants them big, whilst i think more smaller plants makes more sense i was trying to give him advice on how to grow big plants in coco which is what he wanted to know.

    4 weeks of veg in a 1 gal pot is too long in my opinion, you would see better growth in a bigger pot but i don't now your situation
    lickalotapus likes this.

    tightpockt Well-Known Member

    I dont post pics on here

    lickalotapus Well-Known Member

    Yeah there seems to be alot of different opinions to pot sizein coco but I guess this is because of the many different water frequencies that can be used for success , I tend to lean towards the high frequency of 3-5waterings per day witch alot of growers would call root bound , but many a growers would call a recipe for success and high yield, I have 3 indicas around a 600w (vert scrog ) 4 weeks in flower drinking 2x per day and getting thirstier by the day , I like this technique and the massive budmass its producing , and im going to use the 1 ounce per litre of coco formula as my goal ,
    And with a goal of about 2.5 lb for 2x600w (40 ounce -40L ) im going to use 3x15 L first run and 2x20L there on out .
    Btw if you wanna chech out my grow its "3 plant 600w grow " in the vert section of the forum.

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