explain ferts please

zorkan

Active Member
some people use 12/56/12 for flowering
if i use 3/12/3 who will get the best results:?:

Also :idea: can i use the 3/12/3 and use three times the amount to make it more like 12/56/12?:wall:

Oh, and if i have to start at 1/4 str on the 12/56/12 can i just use full str on the 3/12/3:?:
 

doc111

Well-Known Member
some people use 12/56/12 for flowering
if i use 3/12/3 who will get the best results:?:

Also :idea: can i use the 3/12/3 and use three times the amount to make it more like 12/56/12?:wall:

Oh, and if i have to start at 1/4 str on the 12/56/12 can i just use full str on the 3/12/3:?:
Just use the 3-12-3. If you triple the recommended amount you are going to burn the crap out of your plants.
 

growone

Well-Known Member
some people use 12/56/12 for flowering
if i use 3/12/3 who will get the best results:?:

Also :idea: can i use the 3/12/3 and use three times the amount to make it more like 12/56/12?:wall:

Oh, and if i have to start at 1/4 str on the 12/56/12 can i just use full str on the 3/12/3:?:
if you mix these correctly, there should be little difference
the amounts added to water will differ, but in either case, you should be shooting for the same strength nute solution in the end
 

zorkan

Active Member
if you mix these correctly, there should be little difference
the amounts added to water will differ, but in either case, you should be shooting for the same strength nute solution in the end
shooting for the same str nute? as take them to full str or both should be 12/56/12
 

growone

Well-Known Member
shooting for the same str nute? as take them to full str or both should be 12/56/12
let's say the correct amount for your 3/12/3 was 1 tsp per gallon - i don't know what the actual amount is off hand - just take this as the 'optimum' for mj
then you would want to use 1/4 tsp of the 12/56/12 to one gallon of water - it will be similar strength nute solution in both cases

if you use the same amount of 12/56/12 as 3/12/3 - well then you are asking for a burnt plant
 

zorkan

Active Member
let's say the correct amount for your 3/12/3 was 1 tsp per gallon - i don't know what the actual amount is off hand - just take this as the 'optimum' for mj
then you would want to use 1/4 tsp of the 12/56/12 to one gallon of water - it will be similar strength nute solution in both cases

if you use the same amount of 12/56/12 as 3/12/3 - well then you are asking for a burnt plant

what is the 'optimum' for mj flower and veg. why do some people use such high npk value if they have to delute it
 

growone

Well-Known Member
what is the 'optimum' for mj flower and veg. why do some people use such high npk value if they have to delute it
for optimum, the dose is specified in the nute mixing directions
real high npk numbers mean the nutes are very concentrated - but that just means a little goes a long ways
for chemical fertilizers, the npk proportion is the issue
it gets confusing because often there various products quoted with certain npk numbers, and the conversations on them can get muddled
i use organics, much safer with respect to plant burn
 

zorkan

Active Member
oh ok so for 3/12/3 i would use 1stp for 1gal but for 12/56/12 i would only use 1/4 tsp and it would equal the same for the plant?
 

doc111

Well-Known Member
oh ok so for 3/12/3 i would use 1stp for 1gal but for 12/56/12 i would only use 1/4 tsp and it would equal the same for the plant?
Follow the directions and start out slow...like 1/4 strength and work your way up. You are overthinking this.
 

CiderSpy

Active Member
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zorkan

Active Member
ok let me ask this. if i use 1/3/1 once a week or i use 1/56/1 once a week both at full str which one is better for budding?
 

growone

Well-Known Member
which one would you buy 3/12/3 or 12/56/12 to get the most bud?... using fulll str
these are both npk ratios for a flowering nute, don't want to veg with this
i would go with the 3/12/3, the other seems to have a little too much phosphorous - though some would argue against that
 

growone

Well-Known Member
ok let me ask this. if i use 1/3/1 once a week or i use 1/56/1 once a week both at full str which one is better for budding?
1/56/1 is a proportion that's not good for anything - if that is the only nute being used - almost all phosphorus - flowering need low nitrogen(the n in the npk), high phosphorous(the p), and high potassium(the k)
 
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