@DinafemSeeds, Hey mark, thanks for the comment !
PH : 6.00 - 6.8
I don’t test EC and ppm
I think that is a little of nutrient burn and heat stress cause here is summer and this year we have a lot of hot so temps are about 28/30 Celsius in day and night 24, I have the ec tester but never used before !
I have already flushed 2 times
like 1