cant keep fan leaves green

Hi all. im having a heck of a time getting through a grow without leaves turning yellow 3 or 4 weeks in. This is my spicy white devil that i put in 12 12 on april 26. You can see how yellow they are already.its in a 1/2 gal pot. im using ffof soil advance nute a and b bloom at 1/2 strength. 400 watt hps. i have a ph pen. i do not have a ppm meter. when i water i soak it till water runs out the bottom. i dont need to water again for 5 days atleast.

If it's in a 1/2 gallon pot...that is way too small.

Probably rootbound. pH?

ph is 6.3-6.8 is it to late to repot?

Yeah, rootbound for sure, also could be cal mag

jreven said:

at 1/2 strength

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Why at half strength? Dynagro guy myself but I'd be dumping nit on them until they turned green, even if I had to mix grow with bloom.

re-pot; double volume of pot. re-assess. prolly needs some mag too. they really eat Mg a few to several weeks into flower.

i just mix my bloom at 1/2 i use earth juice grow i mix it mild. 1/2 tbs a gallon. i have watered with grow twice now. didnt seem to help.
can i throw it in a bigger pot now?

ok scroglodyte ill repot into my 3 gal smart pot that i have. that should be ok eh? i keep my plants real small thats why i was thinking i could get away with it. dumb move on my part. thanks for the advice.