sweet ZZ outdoor

Plant is looking good, but the heat this summer is huge. On the average afternoon we touch 33-35 °C, really hard for the plant, I have to water every 2 days... while once a week i go for the nutrient watering, which is the same of the last week, more and less. Got some chlorosis on some of the older leaves, as you can see, almost always on the central compost leaflet, if anybody have guesses, well you are welcome to share!