day 38 veg day 10

Well, they perked up a little bit today then got lazy again later in the day.
I am fairly certain that they may be hungry again. Its obnly been 4 days since i fed them nutes. And the water level is probably down to 3.5 liters.since the tank is holding only 1 gallon, for 2 plants. The leaves feel really strong and rough when you rub them across the grain. the stalks are really girty, and the stems of leaves are thick too. Shiney and thick and waxey are the leaves.

HMMM, what should i do?

Feed them early or just put some fresh water in there.
But they are drooping, so are they over watered?
or does it look like they need nitrogen?