Micro-closet Grow for Mobility Challenged

Hi folks, I've been lurking and learning and would like to see if I can utilize this tiny closet for a grow "room".

20" x 17.5" x 7.5'

Using
cannaversity for calculators of lighting:

Shows a cavernous 2.4 sq.ft and choosing 40 watts/sq.ft -

The optimum reccomended lighting for your area is 96 watts
For optimum ventilation the flow rating of your fan should be around 16.8 Cubic Feet per Minute
This setup will require 1.0 amps to be available at all times for safest operation*

I'm leaning toward using the Bridgelux BXEB-L0280Z-30E1000-C-B3 since numerous posts have said they can be used without cooling. Of course then I looked at: LEDgardener and the parts list for a 2'x2' area calls for approximately 12' of 1" heat sink.

Thoughts?

Look at the hlg kits. You can definitely grow in that space.

I did and would love one but the smaller kits are out of stock:

HLG 40 - $79 (too small?)
HLG 65 - Sold out (doesn't show a price)
HLG 100 - Sold out (doesn't show a price)
135W QB LED Kit - 3K with QB288 v2 Light Engine - $187.50

The website doesn't list the board dimensions for the 135W QB LED Kit

Any feedback on the Bridgelux needing heatsinks?

Did you check their amazon stock?

Pilot error earlier when I tried... I did just now and found no kits. Only boards... A 65 for $98 and a 100 for $149. Also found "HLG 100 Quantum Board LED Grow Lamp Veg & Bloom 3000K" for $347. WTH? I don't think the market is going to bear that LOL.

Edit to clarify only boards.

My super easy DIY suggestion-follow ledgardener's build design using 4 of the LT-F284B strips with but instead of building a custom frame/heatsink use a 18x13 aluminum baking sheet mount the strips on the bottom of the tray and hang the assm .

The LT-F284B's aren't available in less than qty 160 which a post at ledgardener means it's out of stock atm. Any idea how often they re-stock?

I like the baking sheet as heatsink/frame. If I use the Bridgelux would I need the heatsink? 12 of the BXEB-L0280Z-35E1000-C-B3 at arrow are $46.60

led1k said:

I did and would love one but the smaller kits are out of stock:

HLG 40 - $79 (too small?)
HLG 65 - Sold out (doesn't show a price)
HLG 100 - Sold out (doesn't show a price)
135W QB LED Kit - 3K with QB288 v2 Light Engine - $187.50

The website doesn't list the board dimensions for the 135W QB LED Kit

Any feedback on the Bridgelux needing heatsinks?

Click to expand...

I have an hlg 65 that I keep moms in under a 2’x2’, great light, barely gets warm.

https://www.amazon.com/s/ref=nb_sb_ss_i_2_3?url=search-alias=aps&field-keywords=hlg+65&sprefix=Hlg,aps,132&crid=2JWLEASXTDBBJ

The 65 is 100 and the 100 is 150, don’t know if the 100 is dimmable.

I was on a roll last night and ordered parts for the Bridgelux Gen 2 2ft on led gardener.

led1k said:

I was on a roll last night and ordered parts for the Bridgelux Gen 2 2ft on led gardener.

Click to expand...

Trying to complement your new grow but riu thinks I'm including a link

I built a light tub for cloner/seedling purposes. I got a 27 gal ruff neck tub and put a 50 watt LED fixture (~$25)I found on E-bay in the bottom, cut some slots in the sides around it and opened a 2" hole in the top for its fan.Then installed a 80mm computer fan in the end for ventilation with a variable DC wall wart to power it. I painted the inside of the tub white and use it upside down on my aero cloner or on top of a 12 gal tote for seedlings. I figure about 40 watts per sq ft since all the light is trapped inside.

I ended up with more seedlings than I can use, so I thought why not see how much dope you can grow with 50 watts in a solo cup? I have four or so seedlings that are maturing and are about 4' tall on their 4-5th nodes. My wife had some 4" clay pots that I will use tomorrow to repot the three best to see how much the pot size effects the size of the plants.

I switched them to 12/12 two days ago to sex them. I'm hoping the best ones will be female.

led1k said:

The LT-F284B's aren't available in less than qty 160 which a post at ledgardener means it's out of stock atm. Any idea how often they re-stock?

I like the baking sheet as heatsink/frame. If I use the Bridgelux would I need the heatsink? 12 of the BXEB-L0280Z-35E1000-C-B3 at arrow are $46.60

Click to expand...

Arrow and Verical show the 3500k versions in stock on octopart SI-B8U261280WW no minimum

Arrow didn't have them yesterday when pulled the trigger on the BX's... timing lol. Didn't know about Verical or octopart. Noted and thank you! When I add more light(s) I will try the new sources.

I used to bend the tops back in college but last night I just laid the plant on her side. She's in 1" cube so no worries about growing medium escaping. Sure enough, this morning everything appeared to have spurted while trying to get back to vertical. I'm reading up on horizontal training with the idea of having multiple "shelves" in the closet. Start 12/12 at 12" tall?

Meters etc on the way. I went looking for an Avatar and dug up some wonderful memories. Hope no one minds a little memory lane time... On a south facing hill in the bay area

From small beginnings come big things! Everything you'll see in the cage later started the same way:



Filling the space



Progress...



Getting Closer...



Oh cola fat cola. May I have another please!



Maybe more tomorrow. Pleasant dreams all!

If you run the BXEB at the test current of 700ma, they can be used without any sort of heatsink.
I have many "lamps" with the 560mm Gen1 EBs, 700ma drive current, with no heatsinking whatsoever....
The aluminum baking sheet is an excellent option though.

My light is supposed to pull 117.6 watts from the wall. I have a kill-a-watt and an iDevice that both say it's only pulling 105-106. The only difference in this build vs the "Bridgelux Gen. 2 BXEB-L0560Z 1′ LED Strip Build – 2’x2′" on ledgardener is we used thicker wire connecting the boards to the Wago's (16 gauge). The Linear Taper 1/2 watt 100K Ohm Potentiometer is connected and dims to lights out without the resistor. I'm assuming the 117.6 stated in the instructions is accurate and I should be seeing close to that on my build... if so, How to troubleshoot this?

Easiest would be to temporarily disconnect one of the dimmer leads-that maxes the output of the driver. Do all of the strips appear to have equal intensity?

Perfect. I will make the dimmer test happen. If that gets me closer to 117 all good else take readings at the test points?

All strips look to have the same intensity.

System Specs:
Type: C.C./Series

Diode Count: 672

System Voltage: 117.6V

System Current: 1050mA

System Power: 123.5W

Lumen Estimate (3000K): 21,504

Efficacy: 174 lm/w

Looks like the specs show power should be 123.5w the 117.6 is the forward voltage.

GBAUTO said:

Looks like the specs show power should be 123.5w the 117.6 is the forward voltage.

Click to expand...

Thank you. Doh!