i need help! is this a phos deff. orsomthing else?

[Dr. G]

hey anyone know what this is these are two different plants almost 5 weeks

using pbp in soil with sweet liquid karma cal mg big bud the ph on my kelway said 6.7 took soil sample put in ro water and it came out to 7.0 i watered and fed yesterday should i wait to lower ph? and how you suggest i do it i use earth juice ph up and down

my watering scedual

i feed one water with pbp and calmag and sweet next water theyget LK sweet and big bud they got an almost full feeding of pbp two waterings ago and got there first full strength feeding yesterday
also yesterday got there first dose of hygrozyme

my lighting

i have 2 600w hps air cooled thereabout 16 in away from plants

rh @ 40%

temps stay at about 76 but could go 84 for alittle while i usually run co2 but my controller is broken as ofthe moment

super star

sour bubble bx3 damage is only facing the light

 

[Odie-O]

i'm also seeing this type of damage on my nl/bb and w.rhino plants.going by stitches sick plant guild i'm thinking it's a ph problem.but that's just a guess.hard to pinpoint what the problem is but i have been working with this problem for a long time.about 4 month's.best bet is to wait till someone with more know how replies to you.

check that sticky thread at top of page maybe you can get a lil more info in that.complete guide to sick plants..

 

[NorCal]

looks like it could be mites fom the stipling but I could be ocd about mites as i just had them bad....

 

[VanGrow]

looks like massive overfert.......

 

[DD4Y]

Do you have an EC meter? If so, pour some water through and test the first 30 milliliters that run through. Your ph is kinda high, and you are adding several different ferts, which leads me to suspect that you have high salt content in the soil and probably nutrient lockout.

Can you take a plant out of its pot and look at the roots? They should be white or very light beige. darker brown suggests root damage, likely from high ph.

Try flushing your plants and then start again with light nutrient mix.. an EC of 1000 is ample. Adjust the ph of your nutrient mix down to about 6. Also.. foliar feed with 1/2 strength of you basic nutrient mix til they start looking healthy again.

One final comment.. I don't want to dis your education level, but if you are asking questions, it makes it easier to help you if you use some occasional punctuation. It was really hard to figure out what the hell you were trying to say.

 

[Dr. G]

thanks

its thrip damage and im taking care of that thanks for lookin out tho (**** those pesky little buggers i hate em)

sorry about the punctuation never really good at english class and dont really care on the internet but ill try to seperate thoughts



really nute burn? ive been trying to go easy on them. at 5 weeks its the first time they got full strength feeding and it was at like 1200 ppms (even tho im a soil grower i check ppm with a trunchen) and i did add about a gal or two ro water to the mix after all is said and done so that prolly lowered the ppms

you think i burned from the big bud the watering b4? all other phenos/strains look good and i thought this wasa def it started out looking like a mg def

all have slight discoloration and burnage from some organicide or FF dont bug me also some burnage from some bush master

but no bush master on the sour bubble just the superstar

ill have some more pics tonightto see if it worsens if it does ill flush and start again

also what ph should i water with to bring the level down from 7 to 6.3-4

organicide on all and FF dont bug me on all

 

[Guest]

I had some plants that were burned with insect soap looks similar.

 

[Blackvelvet]

Looks like potassium deficiency from too much cal mag. Reduce cal mag and stop using sweet (which adds magnesium)

 

[Dr. G]

cool i use cal mg cuz i use ro water

how often shoudl i use cal mag?