Oh my sweet lil babies

There has been a crazy heatwave in my country and unfortunately I don't have an AC, so me and my babies are suffering with it :( They have a constant breeze over them and I'm keeping their soil nice and moist but the coco coir is drying off really quickly even when I'm watering them 2 to 3 times a day. Also been misting them with water to try and keep the humidity up. Gave them a very minute amount of Alg-a-mic as i've read that kelp extract helps combat heat stress in plants, used 1 ml of Alg-a-mic in a liter of tap water and then fed them about 200 mls each on 08/07. They don't seem terribly bothered by the heat which is reassuring. Any recommendations on how to deal with this terrible heat is appreciated! (An AC is sadly out of my budget)