iws flood and drain! need some good advice???

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bigwoll

Member
ayup guys need some advice?? i'm a little experienced now, well i like to think! i've been using wilma drip system for a while and it became very easy i was getting good results from them but have now moved to a iws flood and drain one 12 pot and one 6 pot. my cuttins were well developed and where in a small pot with coco in. coco was always what i used but have now swithced to clay pebbles. regarding nutrients i've kept them all the same basically using the same method as before. i started flooding every 2 hours but my plants started weeping like they were getting over fed so i've increased to every 3 hours 6 pot gets a 7 min flood and 12 pot a 14min flood on a 18 hour cycle so there getting prob 5 feeds a day. my plants look dry there going lighter some leaves are going yellow with little dry bits on!! not good
i'm stuck my ph is around 6 ands thats always been spot on for these. so today ive turned the feed off thinking maybe there just over fed. can anyone give me examples of feeds there doing durations etc cuz i'm struggling bad with this??? thanks guys​
 
M

mogreen

Active Member
i use iws flood n drain and i feed every 6 hours and flood for 45 mins in vegitation and feed every 3 hours and flood 55 min in flower. I dont use the copper plates they restrict the roots from growing and damage them, i just spin the mesh in bucket every now and then to stop the roots blocking the pipes. I have 4 air stones in my res and use advanced nutes. i would say it is the best hydro system you can buy especially yield wise.
 
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mogreen

Active Member
i use iws flood n drain and i feed every 6 hours and flood for 45 mins in vegitation and feed every 3 hours and flood 55 min in flower. I dont use the copper plates they restrict the roots from growing and damage them, i just spin the mesh in bucket every now and then to stop the roots blocking the pipes. I have 4 air stones in my res and use advanced nutes. i would say it is the best hydro system you can buy especially yield wise.
 
Muffy

Muffy

Active Member
You don't say what the salt levels are. I guess you're not feeding enough. It's nice to flood so much but keep your medium on the dry side for best results. That doesn't mean wilting. ok?
 
sk8punk318

sk8punk318

Active Member
as for the coloring of the plants it could be a mix between potassium/nitrogen deficiency w/o pics i can't say for sure. is it hot in the room could be a possible reason for wilting. ur feeding schedule seems pretty much the standard so its possible outside sources could be it.
 
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