Leaf tips

Budzbuddha

Well-Known Member
What medium are you running ?
And is 6.3 ph ...... what you are “ putting in “ ? As in water and feed mixes ?

Most bagged soils run about 6.3 ISH so I usually bump up slightly to allow for any “ drift “ in ph.
Check your pens calibration to make sure you are reading correctly.... you can also go grab PH test drops ... To further check the ph ( great backup way to check ).
 

RangiSTaxi

Well-Known Member
Yes potassium deficiency, but not due to lack of potassium in the media

The thing is potassium is often not the issue, the problem isn't availability of K in the media.

simply in this case

you need to dry your growing medium out between each watering, (small signs of mag/cal deficiency just starting) dry your medium out between watering.

dry your pots out between waters, this fluctuates PH and thus nutrient availability

very minor at this stage and not much to concern yourself with, your plants look fine.
 
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RangiSTaxi

Well-Known Member
P.s if its potting mix or soil do not Try to artificially adjust PH there is no need, the buffers in the media with correct over time naturally to around 6.3 usually 6.4 over time. Dont fight the nature of the media, ( water hydroponics is different)

The best method is to wet well when watering and dry out the pots before the next water to get all variable nutrients to prevent nutrient lock outs
 
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