Fixing deficiencies? Photo Included

[Lysergik_kid]

in-Collage-20200310-221844144

Image in-Collage-20200310-221844144 hosted in ImgBB

ibb.co

Hey! Been running into many issues this grow.

First time doing more than 2 plants (4)

Strain: Mephisto Northern Cheese Haze

Bio Bizz Light mix

Nutrients:

So the cal mag I was using was 2 years old so I'm wondering if that might be a reason..
Per gallon
3.5 ml AN Sensi Bloom A and B
3.5 ml (it was 2ml up until yesterday) sensi cal mag xtra
2 ml Big bud
2 ml carboload

Ph'd 6.2

The tips kept burning anytime I went over 400ppm of nutes. Which was only 3 ml of the AB and 2 ml of cal mag. I flushed one already and fed it some nutes as I wondered if it is lockout.

 

[namvet25]

I need a picture of entire plant. What is age of plant and are giving full dose of nutes?

 

[Waira]

in-Collage-20200310-221844144

Image in-Collage-20200310-221844144 hosted in ImgBB

ibb.co

Hey! Been running into many issues this grow.

First time doing more than 2 plants (4)

Strain: Mephisto Northern Cheese Haze

Bio Bizz Light mix

Nutrients:

So the cal mag I was using was 2 years old so I'm wondering if that might be a reason..
Per gallon
3.5 ml AN Sensi Bloom A and B
3.5 ml (it was 2ml up until yesterday) sensi cal mag xtra
2 ml Big bud
2 ml carboload

Ph'd 6.2

The tips kept burning anytime I went over 400ppm of nutes. Which was only 3 ml of the AB and 2 ml of cal mag. I flushed one already and fed it some nutes as I wondered if it is lockout.

It's presenting like Mg defc., maybe some P defc. acting up too,... but it makes me wonder if the in-pot pH is off. "pH perfect" works only in solution, not once in the pot, too many other influencing factors in there... it helps. but it no panacea against off pH!
yes, a whole plant pic will help, diagnostic clues are needed....