Nutrient deficiency?

If I am using big bloom and tiger bloom but don't have grow big am I likely to get a nitrogen deficiency. I ask because the TB BB are low in Nitrogen but grow big is 6-4-4. My plant is budding but has yellowing leaves and kind curling in ward. I'm pretty sure the ph is right and I've been giving half of the recommended nute dosage minus the grow big. Thanks CD

any body? my stems are purple is this also from some deficiency?

purple stems and yellowing leaves could mean nitrogen deficiency. http://www.marijuanapassion.com/forum/attachment.php?attachmentid=158550&d=1295933038
What medium do you use? What is your pH?

You could use these to try and decipher your prob. http://www.marijuanapassion.com/forum/attachment.php?
[URL]http://www.420magazine.com/gallery/data/829/Cannabis_Nutrient_And_Deficiency_Table.JPG
attachmentid=158412&d=1295751999[/URL]http://buymarijuanaseeds.com/community/attachments/nutrient_chart-gif.209849/

purple stems on a Blueberry is okay.........strain, ph, watering schedule, etc. gives us the low-down, the dirty details

............................pics would be a bonus and very helpful

Ph is around 6.8 in fox farm ocean forest soil. It's bag seed from a friend that doesn't remember with bag he got it out of so its a mystery strain lol I don't have a camera at the moment but it have some yellowing around the leaves and purple main stem and purp fan leaf stems too. The buds look healthy and seem to be growing at a decent rate. The buds are too hairy I can't tell if there purple or not

Plants suck nutes from leaves(starting at the bottom) to produce buds. Some nitrogen will slow it.Keep an eye on purple leaves tho. Pics help alot as stated as does pH.

I think pH 6,8 is a bit too high. Should try lowering to 6,5. Flush the soil with properly pHd water. Salt buildup from those fertilizers could lock out phosphorus and nitrogen. Phosphorus deficiency could couse the purpling too. I'm no expert. Just saying what I think. Pics would help

sounds like potassium issue

SickFairy101 said:

I think pH 6,8 is a bit too high. Should try lowering to 6,5. Flush the soil with properly pHd water. Salt buildup from those fertilizers could lock out phosphorus and nitrogen. Phosphorus deficiency could couse the purpling too. I'm no expert. Just saying what I think. Pics would help

Click to expand...

6.8 is IDEAL in soil. But even so, a variance of no more than .3 points isn't gonna matter one iota in soil.
Without pics, it's impossible to give any kind of real advise, much less make an intelligent diagnosis of any problems that MIGHT be going on. Purple stems and all, if you're flowering, I'd have to say off hand that you are most probably seeing normal leaf shedding.
Dont over engineer this shit. pH of the SOIL itself is the crucial value, not the pH of anything you put into it. If your soil is properly buffered (limed), the pH WILL NOT CHANGE significantly enough during the course of the grow, and certainly not enough to cause you any problems. The soil is gonna change the pH of anything you pour into it to the value set by the soil and lime. So if it's right at the start, you'll be right at the end. FAR too many people out there have not a clue what pH is or how it relates to nutrient take up, yet thats the first thing everyone screams.
I doubt very seriously you have any real issues going on, but please post pics, just to be certain.