athlete420
Member
Under 20 watt of led light about 3 meters away from the plants.
How far away could a plant be before it doesn't keep them in veg. Does anyone know how much light is best ?
Is this enough light too keep plants in veg.
- Thread starter athlete420
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Under 20 watt of led light about 3 meters away from the plants.
How far away could a plant be before it doesn't keep them in veg. Does anyone know how much light is best ?
amneziaHaze
Well-Known Member
Get a photone app. But usually if she streches for light she needs more.easy to see in seedling faze harder now
athlete420
Member
I'm not asking if it's enough for good growth. These girls get full sun all day. I want too know if any other growers have kept their plants in veg thinking the days are long under 20watt led you can see in the photo the light. I'm just curious how little light can stop flowering.
amneziaHaze
Well-Known Member
A tiny glow caused by induction basicly a few watts
Grow Monster
Well-Known Member
I don’t think 20watts is enough. Coming from full sun light all day it might think that 20 watts is still darkness and its a light leak. U might just confuse the girls and get attitude in the form of nanners or irregular growth pattern. Photone app will let u know how much par u getn out that light.
Grow Monster
Well-Known Member
Oh I didn't realize he had autos. If thats the case then yes 100% it won't matter. They do well even in 12/12.
amneziaHaze
Well-Known Member
Think of it like this outside grows have the moon and it doesnt stop the veg.some people told me street light across the street didnt impact the flower.20w 3m souldnt make problems.
What is the accuracy?????????
amneziaHaze
Well-Known Member
depends on the phone cheap phones go up to 20k and anything over its allways 20k samsung s20 goes up to 80k i think....
weednerd.anthony.850
Well-Known Member
Try searching a little bit more on here a lil while ago, there was a thread about accuracy of the Photone App that many people use now vs a true par meter.
I’ve seen many people also opt for a cheaper Lux meter vs a more expensive par meter.
And don’t forget the little piece of paper you have to put over your selfie camera on your phone in order for it to be accurate. It even matters what weight paper you use. This is all discussed in the thread I mentioned above.
here’s the link:
PAR meters tested. $8 iPhone app, $170 and $500 meter
For anyone that was following. Here are the results from the $8 iPhone app - Photone (led mode purchase - iPhone pro 14 - diffuser) - a $170 PAR meter and the $500 Apogee meter. The iPhone app is way high. Mid priced meter is very close to the high end.
www.rollitup.org
Herb & Suds
Well-Known Member
20 watts at three meters away isn’t adequate to prevent photos from flowering
Modern Selections
Well-Known Member
That light is fine for the extra hours. In my greenhouses I use LED rope lights (think decorations) to give tomatoes an extra couple hours of light in the Spring and Fall. It is more about the number of hours of light in a day than light intensity in your situation.
bk78
Well-Known Member
Garbage
No 2 readings were ever the same
BK’s shit show
glad to see you back at it mate cheers JZ Thanks budd. Hope all is well with you and yours
www.rollitup.org
athlete420
Member
They are not autos
athlete420
Member
Thanks guys some wild off the mark answers but I'm going too rig up say a 100 watt ufo led and do it that way
bam0813
Well-Known Member
I know just saying as an fyi incase because you mentioned them . Every level visits here thats all
It was a rhetorical question. People keep recommending photone (and others) after being told repeatedly that readings depend entirely on the phone used.
In other words, phone apps can't be trusted!
amneziaHaze
Well-Known Member
Then spend money on a real lux meter.you want free then expect a low quality product.if you have a phone with a quality light sensor it will give good readings my lamp said 1100 on 30 cm phone said 1020 good enough for free