Watering issues??????HELPP

I got 6 plants in 6 5 gallon pots under a 250watt and 400watt hps. I usually give them a half gallon of water each plant every 2 days. Ive noticed every time i water them the leaves droop down like i overwatered them....then about 5 hours later they start to perk up. So today i gave them 1/4 gallon of water just to see if they would droop and of course they did. Is it normal for them to droop after watering. What am i doing wrong? Ive read that you should water till the water drips from the bottom of the bucket and thats exactly what i do every time. Also, 2 out of the 6 plants are wilting and curling down on the edges of the leaves. What would be the cause of this?

Please please please don't post the same thread in two sections.

what does it matter

In short that sounds an insane amount of water way too frequently. Cannabis like arid soil conditions. Let those pots dry out a bit and water less.

Superlevs said:

In short that sounds an insane amount of water way too frequently. Cannabis like arid soil conditions. Let those pots dry out a bit and water less.

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So how much water should i use for a 5 gallon pot?

Mdot923 said:

So how much water should i use for a 5 gallon pot?

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leave about 3-4 days to dry up . and then water about half your usual and see what happens . if they still droop try less water each time

The amount of water doesn't sound bad, you're doing that part right - but I think you're doing it too often. Let them dry out a bit more between waterings, and you should see a difference. Hard to say what else is going on, without pics.