HELP!!! PH question..

My plants have gone yellow. But i water with ph of 6.5 on the dot. it comes out the bottom at around a ph of 8. why is this happening if my soil says ph balanced? PLZ HELP....

I flushed them today. how long till i see a change?


6 purple clones
4 gallon grow bags
1000 watt hps
ff oceanic blend
ff big bloom w/grow big.(following the fox farm chart)

OH YEAH AND THANKS FOR YOUR HELP!!!!

put the water going in at 5.6 instead of 6.5 and see what comes out the bottom... Keep adjusting till you get 6.8 or a bit lower out the bottom

Maybe nitrogen def.

jamiemichelle said:

Maybe nitrogen def.

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werd.....

Flushing a yellow plant isn't going to help.

what if the deficiency was caused by the ph being off? could that have cause a lock out of the nutes?

oGzeR707 said:

what if the deficiency was caused by the ph being off? could that have cause a lock out of the nutes?

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not with nitrogen

SO. I looked at your chart. Pretty cool. but i couldnt really tell why my nitrogen would be lacking from that chart? it showed at my ph level there is enough. Right??? i dont know? i just want my damn plants green like they should be. after flushing the day before, all new growth is green. 3 out of 6 are back to normal. ive heard of nitrogen defeciencies while in later months of flower. Will all the leaves go green again or just new ones? what are signs of coming back around? Thanks Everyone for helping!

the leaves that are fucked are gone and aren't coming back.

Just wanted to let everyone know. i flushed a few days ago and all symptoms have gone. only two leaves were damaged beyond return. Dont want to sound like an asshole but flushing does work sometimes. i knew it was a PH problem i just didnt know why my soil would be so damn high. If im watering using 6.0 ph water and the water coming out the bottom was around 8. Damn imagine how high the soil was. So I learned my lesson about reading a bag of soil that says ph balanced on it. Dont believe it!

oGzeR707 said:

Just wanted to let everyone know. i flushed a few days ago and all symptoms have gone. only two leaves were damaged beyond return. Dont want to sound like an asshole but flushing does work sometimes. i knew it was a PH problem i just didnt know why my soil would be so damn high. If im watering using 6.0 ph water and the water coming out the bottom was around 8. Damn imagine how high the soil was. So I learned my lesson about reading a bag of soil that says ph balanced on it. Dont believe it!

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hehehe wha'did I tell ya?!

You know... If it wasnt for a website like this i would be sitting here with my thumb up my ass. And a huge pile of dead plants!!! LOL... luckily im not!

Every response helps. even if they are wrong it still opens up your mind to new things. Thanks