HELP! Multiple nutrient deficiencies??

[Highmike530]

Multiple nutrient deficiencies??? Plant is in soil (fox farm ocean forest) receives water at a ph around 7 and I add a low dose of Mammoth P microbes .. ive had success growing like this but this strain (chem og) is not taking to well.

 

[oldjarhead100]

my tap water is 7.3 ph so I figured it was good(been growing 4 years) until this grow then they just stopped feeding turns out it was the PH now its 6 and they love it try fixing ph before you do to much.some strains can handle ph of 7 but not all nutes can be absorbed at 7 so you run into problems. read nebulas tutorial on ph good luck

 

[Blazed227]

Im thinkin its a ph problem... check the ph of your run off, if it's high adjust the ph a little lower then normal, if it's low do the opposite..

 

[Highmike530]

Yeah I'll try lowering the ph a bit thanks for the input ! Illl keep posted

 

[Marley]

Based on your ph and the purple stems I'm going to guess it's a magnesium deficiency. Lower the ph and add some CALMAG.

 

[NebulaHaze]

Just curious, how far away are you keeping your LED grow light? I only ask because some plants are sensitive to light and needs LEDs to be a few inches further away than other plants.

In general in soil you'll get the best results with a pH between 6-7, though 7 is a little high. Another thought; have you tried testing the pH of the runoff water to see if it's coming out very different from the pH of the water going in? Sometimes there's something going on at the roots that's changing the pH. Overall your plant appears to be green and growing, so I don't think this is too serious yet

 

[Blazed227]

Wrong replie to wrong thread lol sorry

 

[NebulaHaze]

It's so tough when you've got just one unhappy plant and all the rest are fine! I've learned that some plants just are more finicky than others, and sometimes it has nothing to do with you. >.<

 

[Blazed227]

This one 2

 

[Marley]

Of the 8 plants I have growing, 1 is sensitive to nitrogen toxicity, so I have to dilute with plain water when I water that one. You could try making some changes for that one specifically.