White LED vs Red Blue White LED Grow Test w/Time Lapse – Let…
https://www.yout ube.com/watch?v=2J3wuwsUiCM
No Aeration vs Aeration – https://youtu.be/2cscaOpIZyU. MaxBloom X4 LED Grow light Evaluation- https://youtu.be/IlD4nAnkLoM (Live 8/26/18). Episode 2 (Soybean) – https://youtu.be/pgpjACVfLvA. Ep.3 (Results) – https://youtu.be/W39rWLGcMJM. Are my expanding containers food risk-free? -https://youtu.be/kU891LPvEzc. The white LED brand name is Roleadro. The Blurple light is 130 watts at the wall surface and also is common brand name. I started the examination off with 6 gallons of water in the container as well as finished with a little over 3 gallons. The entire expand was over a period of virtually exactly 1 month in a consistent ambient temperature degree of 68F. The PAR result was maintained under 300um of light at the plant cover with a short period of a little over 400um in the biggest locations, nevertheless was transformed quickly. The PAR result on the lights was virtually comparable and also the facility PAR dimensions are 1000um/6″ – 400um/12″ – 200um/18″ on both lights. The time gap digital video camera used was a Brinno TLC 200 Pro with the established lens. If you look very carefully you can see the bulk of the growth in reality takes area in the night. Associate Hyperlinks: I obtain a little compensation if you use these web links. The price does not raise. Veg+ Blossom Nutes – https://amzn.to/37UPBfW. GH Plants Series Nutes – https://amzn.to/2w542AJ. Air Pump – https://amzn.to/2HR2ZqP. 3″ Net Pots – https://amzn.to/2HU6Mnr. 2″ Net Pots – https://amzn.to/37Uu7Qt. Rockwool Cubes – https://amzn.to/2HU6UDr. Clay Pebbles – https://amzn.to/2HRHypJ. XL Clay Pebbles – https://amzn.to/38VB7Op. Adjustable Wall installs – https://amzn.to/2vXfuyt. Exhaust Fan – https://amzn.to/2I4fsYB. 3×3 Camping outdoor tents – https://amzn.to/2SVQe4B. Smart Timers – https://amzn.to/38XBTdJ. Warmth Mat – https://amzn.to/2HTyOml. Intro video clip to this collection – https://youtu.be/Cx90nHDg4_s. Blurple Light – http://a.co/1E2NXau. White LED – http://a.co/eJ9pnTN. For some remarkable expanding strategies and also tips, effort this web link. https://comfyhomecorner.com/growing-hydroponic-lettuce/. Pay Regular Monthly on your Amazon Purchases: https://www.shopabunda.com/?ref=growing-answers
The white LED brand name is Roleadro. The Blurple light is 130 watts at the wall surface and also is common brand name. The entire expand was over a period of virtually exactly 1 month in a continuous ambient temperature degree of 68F. The PAR outcome was maintained under 300um of light at the plant cover with a quick period of a little over 400um in the biggest locations, nonetheless was altered quickly. The PAR outcome on the lights was almost comparable as well as the facility PAR dimensions are 1000um/6″ – 400um/12″ – 200um/18″ on both lights.
Considering you grew lettuce which does NOT flower or produce fruit… its perfectly logical that it DOESNT need red light which is important for flowering and “fruiting”and not vegetation and most full spectrum leds have 60-70% of red led diodes… Just saying.. You should do some fruit grow actually … If you did send a link
it needs blue light
@Ana Reale tomato seed germination is more affected by moisture & warmth than light. Keep your seeds moist not soggy and keep constantly warm. As soon as your seeds germinate you can use the lights to increase growth of seedlings. You can also use lights with heating pad because some light does penetrate soil but it’s really imo not as much of a difference in the germination vs no light when you have a heat source…
Leds don’t put off much heat.
Best method I use for soil is germinating in any container that has greenhouse effect in any climate. If the climate gets cool during any time of germination add heating pad or place the container on any consistently warm heating. (Ex. On top of Hot water heater).
If you have heating pad make sure it’s not one of those auto shut off after 2hr ones. That will become a burden to keep resetting.
Red also helps the plant development in root growth.
White light/uv light is made up of the entire spectrum and has you covered. No need for different leds. Unless you just want to save on power.
@Growing Answers lettuce tastes bitter when flowering
Lettuce must be picked fast. Or it will produce a bitter taste. It matures very quick. The sooner it’s picked the better it is. After just a few days it will start to get bitter.
Is the air content in the two chambers exactly identical?
Some people think green light is useless to plants. The truth is, plant leaves absorb more than 70% of green light from sunlight.
well if you think real simple sunlight is white… an white is white… so white light will gro more and the other one looks darker.
I’m Curious if your results had anything to do with the red or blue lights and not just the fact that there are less white lights. might be something to test in the future. your white led panel vs 1/3 the number of just white leds
I was hoping to apply this to growing some jazz cabbage.
Good to know. Thank you.
Ever had the same ones
I wish I had found this video before setting up my grow tent. Good news is I picked mostly white lights, and relatively the same conditions. The red/blue lights I had were left over from last year trying to keep tropical plants alive through winter and were definitely lacking. The plants all lived… but barely. Good hopes for this winter!
I would like to know what kind of “white” LEDs were used. Afaik for domestic use these are generally R/G/B LEDs. But for grow lights it’s better to use Blue LEDs with a phosphor coating to make additional green, yellow and red. The phosphor red includes some near infrared, which is very useful for leaf growth. Don’t focus on PAR too much. I prefer to measure the spectrum and then calculate all the area under the curve manually from UV all the way to NIR (300-850 nm). Also look at the ratios for R/B and R/NIR (and UV for some plants). The red/white/blue light seems to have too much blue in it (hence the dark color, the process to make chlorophyl is triggered by blue light). When you use white LEDs you don’t need to use many blue LEDs. You can even make do with mostly white and some red LEDs. Generally the red LEDs are not less efficient, it takes a lower voltage to make red light. It’s usually the blue LEDs that are less efficient.
For what it’s worth I’ve seen similar conclusions over a long period of time.
Blue light inhibits cell expansion. So in the case of lettuce it stops it from growing larger which is undesired
“better” light means smaller leaves. If you think of leaves as solar panels, the less light you have the bigger the panel has to be to produce the same energy. Low light = long leggy branches and large leaves. High light = compact smaller growth. High light makes the plant happy, but if you intend to eat the plant, you’ll have a sad tumtum
It’s not quite that simple. Something around more than 20% blue light inhibit cell expansion which in the case of something like lettuce is not good because it grows less. On the other end of the spectrum, infrared light causes stretching as it simulates shade. These parts of the spectrum are synergistic with each other. It’s not just about the intensity of the light. But for this experiment the light intensity was the same.So to sum it up the blurple light produced Compact plants because of the excess blue light and had darker leaves because it’s the plant’s response to shade conditions as per the spectral output. White light (3500k) takes the guess work out of trying to mix light colors. White light is already mixed with colors the way pants evolved to use it.
Where did you get your lights at and what kind of feed did you use for your plants
The lights prob came from amazon. The rest of the info youll likely either find in the description or my pinned comment. If not there, then you can look at the rest of the videos in this series which should have all the info you seek.
Bro what the- this was from 4 years ago 😂Well it was nice to see the video!