Diagnosis please!!! pics galore

Left town for two day and one of my ladies looks unhealthy.

I have several possible ideas of the problem but wanted to run it by some pros to see what I should do!!!

it is 12/12 from seed (well, a week of 18/6)

soil is perlite peatmoss and reg pottin soil birch i think. and some dolomite lime.

container is 2gal

rh is 30% usually

pH might be my main guess, its low-mid 6 but my ph tester is a lil old so might be off...

600 HPS and loads of air flow

temps are 80 usually and sometimes closer to 90 but my ac is now upand runnin so temp will get lower

I have the chart with many of the plant problems and deficiencies... but alas nothing seems spot on... all others are same conditions and do not show any of the above problems...

no one have any advice?

Calcium brosef. At least that's what it looks like to me. Normally affects newer growth first, see how the bottom leaves look flawless?

Try a bit of calmag maybe?

ph bouncing around , magnesium.

Don't mean to disrespect someone with way more posts but with magnesium wouldn't you expect the leaves to be more yellow? Calcium's more patchy like that

thanks everyone! I am leaning to calmag ish problem as well.... but its throwing me off bc others are not showing any problems...

do you all think maybe its a burn or a deficiency?

I would think deficiency but what are you watering with tap water?

Coho said:

ph bouncing around , magnesium.

Click to expand...

I pH my water every time and theres dolomite in the soil to keep things constant... not saying its not pH, as i considered it as well, just discussing and tryna figure out my lil gals problems..

YES just tap water, then added nutes when I fert. I am using Tiger Bloom FF..

Usually I let tap water sit for a day, but i wont lie, sometimes i have to just do direct tap... not going into my specific situation bc its no use, but yea USUALLY i let it sit so chlorine gets evaped.

http://cannabis.com/growing/sickplant-Are_the_leaf_tips_curling_up_do_the_yellow_leaves_have_yellow_margins_or_green_veins.html

Calmag covers em both.lol That post count means I like the plants is all. Always learning after all the years.

Yeah just dump some cal mag in there. Things'll get better

annnnn the survey says...... calmag!!!!

ha. thanks. still confused why its not showing in the other 7 plants but oh well...

any quick home calmag remedy i can conjure up ahora?!!? (now)

or just wait till my hydro shop opens up?

currently I have ff grow big, ff tiger bloom, and a bottle of superthrive... but im not sure ig those will help...

I usually see calcium as little round brown spots at first.

Coho said:

I usually see calcium as little round brown spots at first.

Click to expand...

interesting..

Im not sure about the initial symptoms, as I had to go 2 days without seeing them. Ill go to hydro store asap...

This 12/12 from seed experiment i am doing sure seems like it causes more problems.. but its grow specific i guess.. everyone has different skillls...

Is it a different strain?

all have same bluberry mother. then possible northernlights or white widow dads... thanks everyone!! hydro shop in a few hours!!

So bought some bonticare calmag 2-0-0 and 3% cal and lik 1.6% mag...

It says 1 tsp per gal so thats what I did and applied early today...

Judging by the previous pics should I add more than that? Ill just see what happens in the next few days but just wanted to hear from some experience on this calmag issue

Overdose of nutes.