2 of 4 something's wrong

[Antocom]

I need some help. This is my 1st year growing outdoor by myself
I have 4 plants that I got from clones and repotted into fabric pots on may 19th, when they went outside for 100% of the day, using Promix Organic veggie soil. They have been fed tap/rain water and 1 feeding of Canna's Terra Vega (500ppm/10L/Plant) They have
attached are pics of the 2 sick plants and 1 healthy one.
The 2 healthy plant took very well to the nutes, the other 2 seem unaffected.

 

[TanzanianMagic]

What it looks like most is this:

https://www.sunwestgenetics.com/cannabis-leaves-curling/

Or here, top photograph.
https://www.ilovegrowingmarijuana.com/plant-moisture-stress/

The reasons given are heat and water stress. Secondary reason given are calcium/magnesium issues, however those may be just lockout from the water/heat stress.