Old leaf or def?

[Hypathetical Gardener]

This happens on almost every plant ive had regardless of my fert schedule. Is this just normal abnormalities or am i missing something?
Full organic soil. ffhf as a base mixed with growstones for lightness. Roots organic dry amendments added weekly according to suggested schedule.
315 cmh @ 36 to 16 inches depending on the plant...
Tap water ran hot and let to sit 12 to 36 hours. Never phed myself but quarterly tests show around 7 (+/- .3)

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[Arthur]

Just a quick guess without knowing your setup etc... looks like over nute issue to me... but that's just with the pics.

For more than a guess we need it all... lights, water source and pH... etc

 

[Hypathetical Gardener]

Just a quick guess without knowing your setup etc... looks like over nute issue to me... but that's just with the pics.

For more than a guess we need it all... lights, water source and pH... etc

Updated the original post. Thanks.

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[Mañ'O'Green]

First pic might be small CalMag or P defo, 2nd and fourth looks like heat stress and the third pic looks like mechanical damage. What does the whole plant look like? 16" is pretty close for CMH.

 

[Hypathetical Gardener]

First pic might be small CalMag or P defo, 2nd and fourth looks like heat stress and the third pic looks like mechanical damage. What does the whole plant look like? 16" is pretty close for CMH.

Thats various plants. Heres a full tent shot. The light is 16 inches from blue dream, but its in a back corner. Most are around 20 to 24 inches from the top. The light is 36 inches from soil directly beneath it and ive gotten pretty good results with starting 36 inches from soil and letting them grow into it (mostly indica dominant)

I was thinking calmag /p... But it must be a small amount because the plants are the size they should be and have yielded appropriately (except last round when i git a lil k heavy and locked out cal/mag).
This round is fresh ffhf with dry amendments added weekly. Though i tend to go a lil light on seabird guano (0-12-0) because i use a general bloom blend mainly.

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