rhodes68answered grow question 5 years ago Awright I am going out on a limb here. I want to refer back to two plants I grew in the past that we similar, possibly exact.
One was an ATF - Zona was the name if you look at her you will see
The other a Stardawg - Maggie dito
In both I could not clear problems just as you show though only Maggie had cal issues.
Both suffered from problems in the soil and both were salvaged by H2O2 Flushes, though I was too conservative with Zona at like .5% Maggie benefited greatly from 1.5% thats the high end of it.
In Maggie the problem was causing constant PH and lock out issues that just drove me to distraction.
Never found out what it was, only what stopped it dead.
Both diaries are up good luck👍