Quick question. How much should the girls be drink...

You are feeding every day? I'm surprised you haven't had any nute burn yet, but in my experience, vegetative plants are super durable and can absorb more nutes than when in flower. You are not in flower yet, so that may be why. I have no experience in plastic pots, but is that frequency because your higher temps are drying out soil faster?) If not, it may mean you will eventually water log those plants. I use fabric pots, but the 2 knuckle approach with your finger in the soil, should tell you when to water. Should be cool, but not damp.