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⇧Brother OneHitDone's HydroGrowLed MEEt's LETTUCE Grow Test⇧ Thread Tools Search this Thread
Old 05-07-2019, 07:42 AM #1
OneHitDone
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⇧Brother OneHitDone's HydroGrowLed MEEt's LETTUCE Grow Test⇧

Hey guys and gals - Let me introduce myself as I am new to posting over here but this definitely ain't my first rodeo.
Been growing indoors under lights since the early 2000's. Yes I grow cannabis but that is not the focus of this thread.
I am a HID / Fluorescent type of guy but also dig led and always looking at and trying the new tech.
Honestly led has yet to impress me to the point of converting my whole garden over, especially when it comes to growing leafy food crops such as lettuce. I have a massive thread elsewhere on the web where not 1 led grower has yet to produce what I would consider a QUALITY head of lettuce comparable to an outdoor field grown specimen.

So, what we have going here is another one of my whacky indoor lettuce growing adventures. As those who have followed my thread in the LED section know - lettuce is not the easiest crop to produce under led.
@HydroGrowLED has been kind enough to sponsor several of the members on this site with free gear to run and check out the companies tech and spectrum. I was one of the chosen ones due solely on my pursuit of the ideal led for growing food crops indoors I suppose.
So, what we have here is a 22"x22" tent with a custom fabbed NFT Hydroponic system where 9 lettuce plants will be grown to full term under the HydroGrowLed 42X fixture. Fixture pulls 71.7W from the wall putting this grow at approximately 21.5W per Sq Ft.
Lettuce seeds are germinating in rock wool cubes which will then be moved to the nft channels and fed Master Blend 4-18-38, Calcium Nitrate, and Magnesium Sulphate for the duration of the crop.
I have dialed the fixture in at the recommended height of 16.5" above the seedling tray and will maintain this distance the best I can as the crop grows.
So join along for the ride as I get this show started.

I'll start with a few photo's of the nicely constructed fixture. Nice touch with the filters over the fans!!
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Old 05-07-2019, 08:10 PM #2
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Even thought the light is comprised of mono diodes and none of them are white - the light does not appear "Blurple" at all in person. It actually is even "whiter" than these images project.
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Old 05-07-2019, 08:12 PM #3
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A couple days later and I had a bit of sprout action so this show was on the road
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Old 05-07-2019, 08:14 PM #4
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So here we are 2 days later. I over-seeded a bit so it's time to do some surgery and thin them out.
Test #1 for a light source to grow lettuce is weather or not the seedlings emerge without having a long neck goose stretch to them.
Did the HydroGrow Led pass this test?? ✔︎
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Old 05-07-2019, 08:16 PM #5
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Decided to throw in a cannabis clone just to get a feel for how they grow under these lights until the lettuce is ready to be spread out
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Old 05-07-2019, 08:18 PM #6
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I believe I am about to slide into day 7 on this grow and I must say the plants are looking strong :weed:

I have also added a pair of fresh lettuce seedlings to the lower left, we'll call it plant site #1 just to see how a young sprout will mature out at the corner of the coverage vs dead center under the light.
Brother OneHitDone ain't fucking around and I don't pull no punches - this test is as transparent as it gets :hump:
I have attached a screenshot of a Day 7 plant from the Cornell University Lettuce CEA Handbook for reference:
https://cea.cals.cornell.edu/attachments/Cornell CEA Lettuce Handbook .pdf
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Old 05-07-2019, 09:28 PM #7
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HydroGrowLeds is just really niceHydroGrowLeds is just really niceHydroGrowLeds is just really niceHydroGrowLeds is just really niceHydroGrowLeds is just really niceHydroGrowLeds is just really niceHydroGrowLeds is just really niceHydroGrowLeds is just really niceHydroGrowLeds is just really niceHydroGrowLeds is just really niceHydroGrowLeds is just really nice
Glad to see the post is working now for ya! Hope you don't mind that I moved it to the grow diaries section. I think it will have a better home here.

So far how are you liking the results?
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Old 05-07-2019, 09:49 PM #8
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The light is performing beautifully this far but pretty soon it will be go time.
This site? Not quite sure - no "liking" and can we even PM?
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Old 05-08-2019, 12:03 AM #9
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I get PM's from people, so I know it's possible, but perhaps not before you have a certain number of posts or days online? I'll have to ask. This forum is way slow compared to several years ago when I used to be here. Feels almost like a ghost town. I've looked for the option to PM you but can't find it available. Here they have the "Did you find this post helpful" which is basically a "like", but the UI here leaves much to be desired. I sent an email today asking about the UI and the possibility of updating it to something newer like several other competing forums where traffic is currently high.
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Old 05-08-2019, 12:10 AM #10
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Quote:
Originally Posted by HydroGrowLeds View Post
I get PM's from people, so I know it's possible, but perhaps not before you have a certain number of posts or days online? I'll have to ask. This forum is way slow compared to several years ago when I used to be here. Feels almost like a ghost town. I've looked for the option to PM you but can't find it available. Here they have the "Did you find this post helpful" which is basically a "like", but the UI here leaves much to be desired. I sent an email today asking about the UI and the possibility of updating it to something newer like several other competing forums where traffic is currently high.
I was thinking the same thing myself - you could fire a cannon through this place

Need to get in contact with you, I have some suggestions to help regain a respectful position in the grow industry
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