Help needed please!

[AkMag]

I have had one of 4 plants showing this sign of stress.
Hydroponics drip system
Using sensi nutes at 75% strength
Temp/ humidity is 25c and an average of 35%
Ph has been a constant 5.6-6
Res solution is cool
Growing indoors in a 4x4x6 tent that is kept open
Also changing solution weekly

Help!

 

[Bugeye]

How much cal/mag are they getting? Looks like precious little.

 

[AkMag]

How much cal/mag are they getting? Looks like precious little.

I add about 50/60 ML in 13Gal

 

[Dynamo626]

how much light? whats your medium

 

[Lordhooha]

I have had one of 4 plants showing this sign of stress.
Hydroponics drip system
Using sensi nutes at 75% strength
Temp/ humidity is 25c and an average of 35%
Ph has been a constant 5.6-6
Res solution is cool
Growing indoors in a 4x4x6 tent that is kept open
Also changing solution weekly

Help!View attachment 3989854

 

[AkMag]

how much light? whats your medium

600 Watt MH. growing in clay pellets/rock wool when started

 

[Dynamo626]

Im stumped if it were a dwc with airstones in the root zone i would say there over fed it sounds like the proper amount of nutes if a bit strong. I cant be of help ill see my way out lol

 

[AkMag]

Im stumped if it were a dwc with airstones in the root zone i would say there over fed it sounds like the proper amount of nutes if a bit strong. I cant be of help ill see my way out lol

Thanks for pondering

 

[*BUDS]

Usually any brown leaves that are alive is nute burn, back off the nutes a little.