wilting plants

hey guys im pretty new to all this, have some problems just lookin for some opinions! im doing an indoor grow. around week 5, the ph right now is 5.6 its at about 580ppm and temp is 72f. growing in coco coir wich was soaked and rinsed. my watering schedule is set to 15 minutes every 4 hours and they are under a few 1000 watt hps lights. they were growing really well up untill a couple weeks ago. i dont think they have had much of a break from the nutrient solution like no flushing with regular water pretty much maybe just once for like 15 minutes. heres some pics

First 2 look thirsty.

See how the stems sag? That means they want water most of the time.

thats what i thought too, i had started to really water some but that didnt seem to fix anything. i was being told maybe i over watered them. a common symptom is that the leaves seem to shrink without really drying up

What kind of system? Flood and drain?

a drip system? the buckets all have holes in the bottom and it flows back into the resevoir. not sure what the technical name for it would be. the roots are all contained within the bucket and coco coir, they are also growing in geopot bags. some felt like fabric

At that size and those pots the plants could go anywhere from 5-10 days without being watered after being fully saturated.

I'm growing in coco, plants are at 3-5 weeks and I go 3-4 days without watering in 2 gallon smart pots, and I could go longer.

easysmoker said:

At that size and those pots the plants could go anywhere from 5-10 days without being watered after being fully saturated.

I'm growing in coco, plants are at 3-5 weeks and I go 3-4 days without watering in 2 gallon smart pots, and I could go longer.

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I agree -- they definitely look overwatered to me.

change your water ring to .5 gallon an hour dripper let pump run whole time lights are on