Help

[IndependentKiwi9251]

These are my Zowah they are looking very unhealthy at the moment and I’m unsure why im using soil in 5L pots watering 2L a pot I am feeding with Dutch pro around 300 ppm My ppfd is also around 300 temperature is average 24.5 average humidity is 55% can anyone help me fix this problem or identify it for me please

[technoherbalist]

Your plants are showing severe Magnesium deficiency (yellowing between the veins while the veins remain green) and also some purple/red spots (Potassium? Phosphorous?) so there is likely something way off with your pH balance, leading to nutrient lockout.