Light intensity and topping sanity check?

futurebanjo

futurebanjo

Well-Known Member
Hey all,

Couple of questions.. Im gonna need to top and do a teeeny bit of defoliation as some of the of the orignal fan leaves, that are now shaded, are looking a bit past thier best. Do they look mature enough to cope with the stress?

Also, Ive had to knock my 300w LED back down from 40% intensity to the minimum 20% intensity, so they are only getting like 60w of LED... does that sound right? The light is 77cm (30 inches) from the 'ground' clay balls.

I put it up to 40% for a few days but they started wilting. Put it back to 20% and they perked right back up within a day. This is ggreat for my electricity bill, but I cant help thinking I should maybe raise the light to increace the light power, but that sounds counter-intuitive and not so efficent.

Any thoughts welcome.

Thanks
 

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UpstateRecGrower

UpstateRecGrower

Well-Known Member
How much area is the 300w covering? 60 watts aint that much at all.. What is the growing method? aeroponics? or some sort of flood and drain? Were they wilting from drying out faster with the increased light? Theres only really 2 reasons to ever raise a dimmable light, to increase the footprint or heat. Raising a light that isn't creating too much heat only to increase the wattage so that the plants get the same about of light as when it was closer is indeed counter-intuitive as you said..
 
Mr. Mohaskey

Mr. Mohaskey

Well-Known Member
They look to be young, so i wouldn't try to get too much light intensity on them. Keep it lower intensity until you are ready for flower, then gradually bump up every few days once you flip
 
futurebanjo

futurebanjo

Well-Known Member
rkymtnman

rkymtnman

Well-Known Member
futurebanjo said:
yes, I had to trim them and do a rez change as I got slime, theres some pics in my grow diary in the link below.
Click to expand...
i just zoomed in on those few root clusters that seem to be in the water. they look light brown and slimy to me.

have you gotten rid of the slime/rot since that pic?
 
futurebanjo

futurebanjo

Well-Known Member
rkymtnman said:
i just zoomed in on those few root clusters that seem to be in the water. they look light brown and slimy to me.

have you gotten rid of the slime/rot since that pic?
Click to expand...
As far as I know, yes, I had to make a make-shift frame to hold the net buckets, and did a res change, It's a lot more cleaner now but i'm worried about exactly what your'e saying.

the rez is dosed up on peroxide at the moment, but I fear I'm treating the symptom rather than the cause... I guess time will tell, but once the roots get really big... it's no going to be easy
 
futurebanjo

futurebanjo

Well-Known Member
but some of the roots still have a bit of a caramel color to them, and that worries me.

The roots seem to be growing and thicking up fast though?
 
rkymtnman

rkymtnman

Well-Known Member
futurebanjo said:
but some of the roots still have a bit of a caramel color to them, and that worries me.

The roots seem to be growing and thicking up fast though?
Click to expand...
that one pic is the weirdest i've seen. it looks like the upper root mass is nice and healthy from aeroponics and just those few dangling roots look brown and slimy from dwc.

are you max dosing the peroxide?
 
futurebanjo

futurebanjo

Well-Known Member
Thanks all. I really appreciate the advice...

I'm sure I can get them through veg, but I'm pretty much winging it at the moment, so flower will be crazyy if I can finish.
 
futurebanjo

futurebanjo

Well-Known Member
Nope_49595933949 said:
I'd ditch the air stones.
Click to expand...
I've replaced the blue golf ball air stones with new ones, (they wern't blue any more, they were brown with bacteria/nasty stuff)

and replaced the see-thru air lines with automotive black slicon hoses. I'm guesssing that's where I went wrong, I've also fitted some cheap one-way valves on the air lines so hopefully there will be no backdraft from the air pump.
 
UpstateRecGrower

UpstateRecGrower

Well-Known Member
Do they still make sm90? I heard they didn’t make it anymore, but if you could find that or an equivalent and some enzyme product you’d be good to go..
 
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