Is it okay to put seedling under 300w led ?

  • yes

    Votes: 38 90.5%
  • no

    Votes: 4 9.5%

  • Total voters
    42

DopeD420

Member
The mag deficiency in those lower leaves confirms what I suspect to be overwatering.
Thanks for the answer Olvie Drab Green, appreciate it. Well then it did turn out to be what i least expected it to be :o. I usually water when the top of the soil feels dry to me (not crusty dry but a normal dry) every other 2-3 days. Might have fed him a little too much in the smaller pot he was in before and im guessing the "little bit" of more water i gave him might have been too much for the small pot. What do you suggest i do to get him up to a healthy form again ? I should be getting my GHE- later today or if they fck me over again then its going to be another day. Makes me mad seeing the plants wanting a good feeding but having to wait for over a week for the nutes to get here...
So considering what you said i gave them the right amount of water for the transplant. Now that i know too much water was the case im going to be waiting for the soil to get rather dry and hopefully will then be able to give them a good feeding, any thoughts on this plan ?
 

Olive Drab Green

Well-Known Member
Are they sativa-dominant? Because sativa = African strain. So, think hotter climates, less water. Usually, they respond better to less frequent or less heavy watering.
 

DopeD420

Member
Are they sativa-dominant? Because sativa = African strain. So, think hotter climates, less water. Usually, they respond better to less frequent or less heavy watering.
Yea they are Hybrids, now that you say so this might actually really be the case and explains why the other two look so good even though they had less water.
Any idea how much water i should give them next time I water (5days)? Yeah I'm thinking of hopping onto a coco grow after this one. About the perlite, do you think letting the soil get dryer will allow more air to reach the roots and therefore might be an alternative to adding perlite ? I really appreciate the help im getting here, nice to know youve got someone more experienced you can contact, keeps my motivation and hopes high as a kite :bigjoint:
 

Olive Drab Green

Well-Known Member
Yea they are Hybrids, now that you say so this might actually really be the case and explains why the other two look so good even though they had less water.
Any idea how much water i should give them next time I water (5days)? Yeah I'm thinking of hopping onto a coco grow after this one. About the perlite, do you think letting the soil get dryer will allow more air to reach the roots and therefore might be an alternative to adding perlite ? I really appreciate the help im getting here, nice to know youve got someone more experienced you can contact, keeps my motivation and hopes high as a kite :bigjoint:
This is pretty much the function of it. So, yes. I'd say feel it out. Maybe half as much? And if it starts to show underwatering, water a little more.
 

DopeD420

Member
This is pretty much the function of it. So, yes. I'd say feel it out. Maybe half as much? And if it starts to show underwatering, water a little more.
Okay then ill be going for a 750 ml feeding on the next one. Do you recon that will be enough water to spread out the nutes (if theyre here by then) in the 5l pots ? And what if it shows signs of underwatering after feeding it 750ml with nutes, do i feed with nutes again or just with water ?
 

Olive Drab Green

Well-Known Member
Okay then ill be going for a 750 ml feeding on the next one. Do you recon that will be enough water to spread out the nutes (if theyre here by then) in the 5l pots ? And what if it shows signs of underwatering after feeding it 750ml with nutes, do i feed with nutes again or just with water ?
I couldn't say, man. Too many factors. Just observe what it does. And don't overfeed. As soon as you start seeing the slightest sign of a tox, back off for a little.
 

kmog33

Well-Known Member
Okay then ill be going for a 750 ml feeding on the next one. Do you recon that will be enough water to spread out the nutes (if theyre here by then) in the 5l pots ? And what if it shows signs of underwatering after feeding it 750ml with nutes, do i feed with nutes again or just with water ?
Just wait until your soil is actually dry to water again and water the whole pot. What you have looks like a combo of root issues due to probably being in too small of a pot for a while or heat at the roots, and overwatering. It just means water less. You can wait for them to get a little droopy to figure out how long it actually takes them to use their water. Just be very careful as once hey get this dry they will need water very quickly.


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Michiganjesse

Well-Known Member
Talking about this slight yellowing (pic 1), wich might be a slight burn now that i looked at it a little closer (lights have been risen already). Other thing i was talking about is the leaves hanging, not really being droopy like theyre too heavy from too much water, but rathermore hanging cause im thinking the lights are too weak (pic 2)

You got an idea how big a yeald can turn out to be with my LED ? Rough number per watts or a rough number per plant:roll:
They say 1 gram per watt with led under so the right secumstanses
 

JanesRain

Well-Known Member
Hey guys, new to the growing scene here :leaf: and ive got a couple of questions id need answered:roll:.

LED-light: Galaxyhydro 300w LED growlight by Roleadro (link can be provided if needed)
Color: 9 band
Strains: 2 California Orange-Bud & one Lemon Haze

So ive currently got my seedlings under a 25w blue light spec bulb (first picture), ive used it before in seedling stage and it worked pretty well.So my question is when I should consider putting them under my LEDs. I was planning to let them grow for 1-2 weeks under the 25w bulb but im concerned about weather it will put out enough light for 3 seedlings or not and i dont want to risk them not making it.

Is it okay to put them under the leds now, if so at what distance ? Will they be able to handle the light or will it result in the plant getting damaged?

I will try to keep this thread updated as far as i can and any tips and or other methods of help are warmly welcomed.

Join me on this journey and with any kind of a helping hand we should be able to get these babys running.:-D


That single 300w LED sucks. You will be waiting a long ass time to get past seedling stage with it. I tried to grow with a single mars hydro 300w and it took AGES. Weeks went by and the fucking plants did next to nothing, and then i switched to 400w HPS and my plants have grown 10x bigger in the week since I switched it. Do urself a huge favor and get an HPS
 

Newb32

Member
Waiting on the seedlings to start growing past the first stage always seems like forever but no matter what light your using its just that way until they start real leaves! Then the growth starts and even with the 300 they'll grow 10 times bigger within a couple weeks! No need to just his balls on his light big guy!! It'll do fine with his small space!! Have a nice day
 

JanesRain

Well-Known Member
Waiting on the seedlings to start growing past the first stage always seems like forever but no matter what light your using its just that way until they start real leaves! Then the growth starts and even with the 300 they'll grow 10 times bigger within a couple weeks! No need to just his balls on his light big guy!! It'll do fine with his small space!! Have a nice day
I'm just going by what I know, but if it works then cool. We shall see
 

kmog33

Well-Known Member
I'm just going by what I know, but if it works then cool. We shall see
Yeah it makes sense though when you compare a 400 watt hid that pulls about 440 watts from the wall vs a 300 watt led that probably actually only pulls 120-150 watts from the wall. Attach that to the fact that that particular led is probably the same or less efficient than most hid anyways and you comparing essentially 3-4x as much light minimum. Did you notice your plants grow more than 4 times as fast under your 400?


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JanesRain

Well-Known Member
Yeah it makes sense though when you compare a 400 watt hid that pulls about 440 watts from the wall vs a 300 watt led that probably actually only pulls 120-150 watts from the wall. Attach that to the fact that that particular led is probably the same or less efficient than most hid anyways and you comparing essentially 3-4x as much light minimum. Did you notice your plants grow more than 4 times as fast under your 400?


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Exactly. I will upload before and afters when my light comes on at 6 tonight. Stay tuned. The difference is AMAZING
 

BiGrEd1011

Well-Known Member
I have this same light. Check out my grow!!

I started 3 northern lights under it. They are just fine. Started from seed under LED.
 

Newb32

Member
0527161226r.jpg three weeks from the first set of leaves let am get 2 dry this week but doing well under a 600watt led! Yeah the hps to 300led comparison is hugely in the hps fab with the actual watts drawn
 

JanesRain

Well-Known Member
Yeah it makes sense though when you compare a 400 watt hid that pulls about 440 watts from the wall vs a 300 watt led that probably actually only pulls 120-150 watts from the wall. Attach that to the fact that that particular led is probably the same or less efficient than most hid anyways and you comparing essentially 3-4x as much light minimum. Did you notice your plants grow more than 4 times as fast under your 400?


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This is just 9 days difference. Obviously HPS is beating the hell out of that crappy 300w LED. I have no doubt that if I was still using the LED I would not see this much growth
 

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