Dr. Bruce Bugbee method: NASA technique on Mars etc.
- Thread starter Overgrowtho
- Start date
BonnMac
Active Member
Thanks for that tip.
And that’s growing in 50% peat and 50% vermiculite with the mineral additives he recommends?
Overgrowtho
Well-Known Member
You can follow Bugbee's advice for 20-10-20 all the way or you can try other ratios. In my country we dont have access to 20-10-20 so I'm using a general bloom and flower hydro nute respectively. So far they work really well with the medium/amendments he recommends.... will update again in a couple months after flower.
Vizzaro
Active Member
I am currently using the Dr. Bugbee mix. 50% Peat Moss, 50% Vermiculite, Dolomite Lime, Gypsum. I have 4 plants in a 3x3x6 grow tent and the plants are in 3 gallon pots and they are growing fast. Today I have flipped the light cycle to 12/12 to start flower. Every time I water the plants I do so with the nutrient solution of Peter's Profession Peat-Light Special 20-10-20. And making sure my runoff is around 1.5 EC.
These 2 pictures are from today.
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Overgrowtho
Well-Known Member
Thanks for your update. In time, please keep us posted on how your flower turns out and how that may compare to previous methods you've used? Thanks
JonCreighton
Well-Known Member
Id like to see ur citations on this..... im not knocking it.. theeye would be helpfull for me
iv run the basic bugbee 20-10-20 w some adjustments for calmag sul ect.. and side by sided it as best i could w a mix aorund what most people use in flower... basically what u mentioned. 2-1-4ish... the yield was basically the same.. idk about quality it all seemed basically the same.
kingromano
Well-Known Member
my answer was maybe a bit irrelevant
20-15-40 is a ratio for recirculating hydro ( rockwool..)
bugbee's medium is made of peat at 50%
peat has some cec, like coco, meaning it bind some elements and need special ratios
from what i see yeah 20-10-20 is a good ratio for soil in recirculation
as long plants are lushy green, not too dark or light without deficiencies its the right ratio
there is many ways to skin a cat with nutrient ratios, the balance is what is important (manufacturers test their nutrients before selling and nutrient must be in the right balance)
i think bruce knows his shit
Overgrowtho
Well-Known Member
I've got a new thread up where I am showing my automated system for fertigation with Bugbee's medium and trying to dial in the right amount of solution per day....
My 99% fully automated grow. Finally added the fertigation part! How much to fertigate per plant per day?
Here it is. I'm running Dr. Bugbee's formula of soil-less mix and I've got a 200 litre reservoir connected to a an RV/Yacht pump and wifi irrigation timer/soil moisture sensor. I'm using smart plugs, co2 wifi controller, wifi hydrometer, infrared remote, dehumidifier and webcam. All is working...
www.rollitup.org
JonCreighton
Well-Known Member
I been trying to square his 20-10-20 recommendation w his paper on nutrients in reciculating hydroponics. hydro reccomendations are more to the 20-10-40 side. it has to be the cation exchnage i cant really think of any other reason and i been thinking about it a while lol.
JonCreighton
Well-Known Member
holy smokes thats a lot of phosphorus. any reason going so high w that?
im over here working w nitric and battery acid and shit to keep my P down....
kingromano
Well-Known Member
yes
but this ratio is for early bloom
a pk booster (13-14) must be used with after week 2/3 until the end, increasing the ratio of pk over the base slowly
20-10-40 will give phosphorous defiency under high intensity light around week 3 because thats the moment they eat the most P
7CardBud
Well-Known Member
I don't think it's that high, a lot of people push for 1-3-2 ratio in flower.
kingromano
Well-Known Member
for soil
in hydro its too high imo
Overgrowtho
Well-Known Member
Those are looking great to me bro. How do you feel about em? Packing on a lot of weight yah? Are you happy?
Mine are about 25 days along in flower in these 2 photos:
And here is a photo from about 20 days along in flower.
As you can see I am battling with a height issue and overgrowth (lol my moniker). They were too big for the flower chamber when I put em in here. So I had to cut off the tops. This caused a lot of stretching from sub branches. And they are super close to the light. Like 10-12 inches. I havent noticed much of any bleaching. But I am being careful and trying to super crop (bend branches to be less tall) as much as reasonable.
Overall I think the growth with this method has been EXPLOSIVE. And I am super psyched to see how much weight can be packed on now that I'm entering that phase of bloom cycle.... I am really worried and annoyed that they are too tall tho, I need to watch em carefully!
I'm also loving that my whole fertigation is 100% automated now. They get about 3 litres per day x 4 plants. On a timer, 1.5 in the morning when lights come on and then .75 some hours later an .75 some hours later. They seem super happy and always praying. I can tell you: one hell of a lot easier, more reliable and explosive and cleaner than my previous grow which was organics.
Vizzaro
Active Member
Wow that looks like a lot of bud you got growing there. Sorry to hear about the height issues, hopefully it doesn't become a big problem. How much was your auto watering system, I am thinking about getting one.
Vizzaro
Active Member
Per gallon? Going to have to do some math here...~2.6g of Dolomite Lime per Gallon of Medium and ~1.3g of Gypsum per gallon of medium. I think that's right....
.And yes you can change the vermiculite for perlite but then it wouldn't be the "Dr. Bugbee mix". Also you would need to buy silica since you wouldn't be getting it from the vermiculite anymore.