Please help.. PICS..What deficiency is this.. Yellow leaves..

[spartacus420]

My plant is 4 weeks old.... i Have been very careful with nutrients.. and ph


I give my plant only bottled water.. around 5.7 to 6.2

just a few of the lower and bottom leaves are doing this... turning yellow with black spots.. and are turning very rough


Please help.. Ive posted this 3 times with almost no feedback.... Anything would be great

 

[beansbeansbeans]

Soil or hydro ? I don't know nothing bout hydro but if your ph ur water to 5.7 then that's way to low for soil. Nute lock

 

[spartacus420]

Soil or hydro ? I don't know nothing bout hydro but if your ph ur water to 5.7 then that's way to low for soil. Nute lock

its coco coir so hydro i guess..... its almost always in the low 6.?

whats nute lock

 

[beansbeansbeans]

K well how often are you watering? If your ph is to high or to low certain nutes will be locked out the plant can't absorb nutes. U want your ph between 6.5 and 6.8. I suggest you do some reading around on this site and buy a book or two. You will learn lots.

 

[dlftmyers]

Check this thread it may help? https://www.rollitup.org/marijuana-plant-problems/488004-guide-nutrient-deficiency-toxicity.html