New leaves appear yellowish

I have a problem about leaves, the new ones borns with yellow color. my ph is stabil at 5.8-6.5 in hydroponic system. what is the reason... you can see the leaves in attachments
thanks

is this ordinary

i would like to start by saying im newr to this so vets. correct me if im wrong but the new born leaf usually have a lighter color untill they grow a bit. but i do know 5.8 - 6.5 is ok for soil grow but is a little high for hydro, your looking to stablize at about 5.5 PH level in your system. hope that will help

5.8 is good for hydro to low for soil,my plants were doing the same thing but my plants were a week into 12-12 when they did it and my problem was in my nute mix all is well now,being that your plants are young I would check my ph and a 1/4 strenth nute mix if in hydro,I use gh 3 part nutes so its easy to balance you nutes peace and grow on

i re set the ph to 5.5
i think my girl is very sick, the main leaves tips color turns yellow-grey looks like burnt.
also new leaves birth with yellow color.


is she dying?

too soon for nutes flush with ph'd water and let it air dry for a little while then continue to water with ph'd water for another week then add a little nutes.

powerslide said:

too soon for nutes flush with ph'd water and let it air dry for a little while then continue to water with ph'd water for another week then add a little nutes.

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Huh? Hes running a hydro setup, if he doesn't use nutes, where is the plant getting its food from?

Ethabhae: what nutes are you using? PPM? Your PH looks to be good, your plant just looks hungry.

my temperature is sometimes 23 sometimes 31C
my ph changes very fast, why is this happening :S
now is my systems ph 7.0, but it was 5.5 :S
nutes (10 8 6) - 2.5 ml to 1 gal.
i think my problem is about ph ?

my water temp is 26C

plants have enough energy naturally to usually last 2-3weeks on just straight ph'd water.

ph usually changes when temp goes up and down for sure need to get it stablized(water temp 65-70degrees and ph5.5-6.5). water smell clean? what kind of system you using? if you keep feeding nutes they will die

ReggiesCooked said:

Huh? Hes running a hydro setup, if he doesn't use nutes, where is the plant getting its food from?

Ethabhae: what nutes are you using? PPM? Your PH looks to be good, your plant just looks hungry.

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there good don't worry ,just don't over water and keep them feed and u wont run in to yellow leaves those look fine tho homie

she is died... i ll try again with more professional nutes and tools thanks.

ph was increasing more quickly bec there was soil fertilizers i used.
79F water degrees
80-85 room degrees
and no good air circ..
now i ll take care
thanks for your help

.....r.i.p

ethabhae said:

ph was increasing more quickly bec there was soil fertilizers i used.
79F water degrees
80-85 room degrees
and no good air circ..
now i ll take care
thanks for your help

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water temp too high and nutes too soon. like i said earlier they dont need nutes for 2-3 weeks that if you dont stunt them. i would say they need to be 3-4in tall and have 3-4nodes

lol this one's got the yellows but its in the same soil, nutes, RO water they are under t5's about a inch and a half from the lights. out of 3 ... 2 are yellow but its growing right at a inch a day its on 24/0.. any ideas? it gets greener right after a foliar feed.