Yellow spots on leaves, deficiency, pests?

[NEGreenery]

Hey guys,

What do you think of this problem?

 

[Fuzzy_Buzzy]

Ph drift. Inconsistent Ph'ing of water and or nutes.

easily fixed, PH anything u give the plants. No big.

I've had this plenty of times in the past.

 

[NEGreenery]

Ph drift. Inconsistent Ph'ing of water and or nutes.

easily fixed, PH anything u give the plants. No big.

I've had this plenty of times in the past.

Thanks!