Pk/Bloom Booster

kingzt

Well-Known Member
Does anyone still use pk or bloom boosters? Haven’t in a while. Plants still grow great but am I missing out? From past knowledge I was under the impression that it would increase yield.
 

youraveragehorticulturist

Well-Known Member
Check out this post about timing your P/K from this thread last week.


"You want to break up the P and K into different products, if you're going to use them. P is for flower formation, K is for flower finishing.

https://www.amazon.com/Monopotassium-Fertilizer-Hydroponics-Greenway-Biotech/dp/B00HCS44LY/ref=sr_1_2?crid=3EZ0OBV6F1V3O&keywords=monopotassium+phosphate&qid=1655847241&sprefix=monopo,aps,96&sr=8-2

https://www.amazon.com/Sul-Po-Mag-0-0-21-5-Magnesia-Greenway-Biotech/dp/B0711QQ7L2/ref=sr_1_6?crid=1OS2VCH1D7Z52&keywords=sul-po-mag+fertilizer&qid=1655846978&sprefix=sul-po%2Caps%2C95&sr=8-6

add monopotassium phosphate the first two weeks of flowering, and sul-po-mag for two weeks, the second you see them starting to swell, i make a 250 ppm solution of each one, and give the plants each 200 ml of the appropriate one after i water them regularly
and that ^ shit is a LOT cheaper...for less than 60 bucks you literally have YEARS worth of product... "
 

kingzt

Well-Known Member
Check out this post about timing your P/K from this thread last week.


"You want to break up the P and K into different products, if you're going to use them. P is for flower formation, K is for flower finishing.

https://www.amazon.com/Monopotassium-Fertilizer-Hydroponics-Greenway-Biotech/dp/B00HCS44LY/ref=sr_1_2?crid=3EZ0OBV6F1V3O&keywords=monopotassium+phosphate&qid=1655847241&sprefix=monopo,aps,96&sr=8-2

https://www.amazon.com/Sul-Po-Mag-0-0-21-5-Magnesia-Greenway-Biotech/dp/B0711QQ7L2/ref=sr_1_6?crid=1OS2VCH1D7Z52&keywords=sul-po-mag+fertilizer&qid=1655846978&sprefix=sul-po%2Caps%2C95&sr=8-6

add monopotassium phosphate the first two weeks of flowering, and sul-po-mag for two weeks, the second you see them starting to swell, i make a 250 ppm solution of each one, and give the plants each 200 ml of the appropriate one after i water them regularly
and that ^ shit is a LOT cheaper...for less than 60 bucks you literally have YEARS worth of product... "
Thanks for the info but what do you use after the first 4 weeks? Just an added Potassium supp?
 

J2M3S

Well-Known Member

bobj1598

Well-Known Member
To OP: not sure what parameters you're following for your grow, but you might want to consider using this product as a bloom booster. Lots of people have suggested I use this, as a first time grower

 

Snickerpus

Active Member
according to this site, it says "A highly effective NPK ratio is 1:3:2 for early to mid-bloom, followed by 0:3:3 for the late flowering stage" https://www.zamnesia.com/grow-weed/107-npk-ratios

that's balanced food, yes?
Those numbers are kinda confusing, you have to convert N, P and K to the elemental ppm. Than you have calcium and magnesium, where ratio between K:Ca:Mg is 4:2:1 to be sure your calcium is not locking out those two and sulphur should not be more than magnesium. Phosphorus should always be less than potassium and nitrogen differs on stage of growth but this 1:3:2 or 0:3:3 most likely not if you do not want yellowed out plants. Micro nutrients/trace elements should be provided as well. So if you think you will buy a botlle which is listed as 1:3:2 and you will be fine than you should really do some more research. That botlle may contain nitrogen, phosphorus, potassium and magnesium and sulphur at its best, but you need another one or two botlles to supply calcium and micros, in specific dose to get something which is called BALLANCED FOOD. That means it includes all essential macro and micro nutrients in proper ratios. NPK lol
 

Snickerpus

Active Member
To OP: not sure what parameters you're following for your grow, but you might want to consider using this product as a bloom booster. Lots of people have suggested I use this, as a first time grower

You might want to consider stop giving trash advices and links to companies which are ripping off people by selling useless products.
 

bobj1598

Well-Known Member
Those numbers are kinda confusing, you have to convert N, P and K to the elemental ppm. Than you have calcium and magnesium, where ratio between K:Ca:Mg is 4:2:1 to be sure your calcium is not locking out those two and sulphur should not be more than magnesium. Phosphorus should always be less than potassium and nitrogen differs on stage of growth but this 1:3:2 or 0:3:3 most likely not if you do not want yellowed out plants. Micro nutrients/trace elements should be provided as well. So if you think you will buy a botlle which is listed as 1:3:2 and you will be fine than you should really do some more research. That botlle may contain nitrogen, phosphorus, potassium and magnesium and sulphur at its best, but you need another one or two botlles to supply calcium and micros, in specific dose to get something which is called BALLANCED FOOD. That means it includes all essential macro and micro nutrients in proper ratios. NPK lol
You're deviating from the KISS principle something greatly..

Are you saying that I need to add Calmag to my soil, in addition to whatever Calcium/Magnesium that is already present in my tap water supply?? What 'bottled nutrients' do you suggest adding to your growing medium to achieve this perfect harmony of micro/macro nutrients that optimizes bloom conditions?
You might want to consider stop giving trash advices and links to companies which are ripping off people by selling useless products.
The only person on this thread offering "trash advices" is you, bud. I asked a couple of questions and followed it up with a product suggestion. No advice on growing was ever offered on my behalf.

Thank you kindly for the long convoluted spiel about your supposed desire to poison your plants with excess micro minerals (during flower). But I think I'll side with the 98% of growers who unanimously advocate using higher amounts of P&K during flower to, you know, boost bud production.
 

bobj1598

Well-Known Member
Who are they? Are you talking about marketers? Have you even used PK13/14? I tossed a bottle in the trash about 4 years ago.
Not marketers, people on websites such as RIU and 420magazine, gardening forums, etc. https://garden.org/thread/view/162416/How-do-I-best-use-this-fertilizer/

I've never used Canna P/K, no. I want to, but it's not OMRI certified therefore, not this grow. But I might someday. I've encountered at least three or four different folk who swear by the product. Again I've never used it. But I have heard good things about it. I could be wrong.
 

Snickerpus

Active Member
You're deviating from the KISS principle something greatly..

Are you saying that I need to add Calmag to my soil, in addition to whatever Calcium/Magnesium that is already present in my tap water supply?? What 'bottled nutrients' do you suggest adding to your growing medium to achieve this perfect harmony of micro/macro nutrients that optimizes bloom conditions?


The only person on this thread offering "trash advices" is you, bud. I asked a couple of questions and followed it up with a product suggestion. No advice on growing was ever offered on my behalf.

Thank you kindly for the long convoluted spiel about your supposed desire to poison your plants with excess micro minerals (during flower). But I think I'll side with the 98% of growers who unanimously advocate using higher amounts of P&K during flower to, you know, boost bud production.
I said nothing about calmag supplement, I was talking about ballanced food which suprisingly contains calcium and magnesium too. In proper ratios to other macros to avoid antagonisms. Its basics of plant nutrition, which you apparently have no clue about. I was not talking about organic or true soil grow, I was talking about how to properly feed your plants by providing nutrient solution, once you get to this stage come back and ask the questions. You are talking about certification, posting websites of the companies selling fertilizers. You are one of the clowns here for real.
 

bobj1598

Well-Known Member
I said nothing about calmag supplement, I was talking about ballanced food which suprisingly contains calcium and magnesium too. In proper ratios to other macros to avoid antagonisms. Its basics of plant nutrition, which you apparently have no clue about. I was not talking about organic or true soil grow, I was talking about how to properly feed your plants by providing nutrient solution, once you get to this stage come back and ask the questions. You are talking about certification, posting websites of the companies selling fertilizers. You are one of the clowns here for real.
I don't have a clue about plant nutrition. lol. Unlike you, I don't pretend to know more than I actually do.

I'm a clown? That's okay, you're a complete fucking retard!
That botlle may contain nitrogen, phosphorus, potassium and magnesium and sulphur at its best, but you need another one or two botlles to supply calcium and micros
Tell me, what is that supposed to mean? You weren't referring to a CALMAG supplement? Perhaps you're adding bottled MILK to your soil to supplement additional calcium? What bottles were you talking about that supply additional calcium and magnesium, if not an actual CALMAG supplement? The OP asked about bloom boosters and here you are talking about a shit ton of minerals that should already be present in the soil WELL before reaching the flowering phase.

I'll ask you again, put your finger underneath each word I type and read what I'm conveying aloud to yourself: What 'bottled nutrients' do you suggest adding to your growing medium to achieve this perfect harmony of micro/macro nutrients that optimizes bloom conditions? Try staying on topic, and don't bloviate about some random thing regarding "certification" (whatever that means).
 

xtsho

Well-Known Member
P/K boosters are unnecessary products heavily marketed by the nutrient companies so they can sell 0.25¢ worth of MKP or potassium sulfate etc... mixed with water for $20. 99.99999999% of all base nutrients have more than enough P/K.

Don't fall for slick marketing targeting cannabis growers that don't have an understanding of plant nutrition.
 

Tracker

Well-Known Member
I tried high PK bloom boosters in the past. I burned my plants badly a couple of times, and other times (with lower application rates) I didn't notice a significant increase in yield. The biggest difference i noticed those times was the leaves would make more fall colors by harvest time (I suppose from N defficiency).
 
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