modular overkill led striplight build

complicated .
from the head boron defficiency may more applies to hydro as there is always some boron in the soil?
i dont play much with micros, rely on whats in my base mix, i mixing only quite small batches and its so easy to overdo.
think ive read a liter boron acid is good to treat a acre of soil, hard to dose for me.

cobshopgrow said:

complicated .
from the head boron defficiency may more applies to hydro as there is always some boron in the soil?
i dont play much with micros, rely on whats in my base mix, i mixing only quite small batches and its so easy to overdo.
think ive read a liter boron acid is good to treat a acre of soil, hard to dose for me.

Click to expand...

What counts is getting your combination dialled in, (and everyones situation is different). Its clear from your updates that what you are doing is working really well - and that is what counts.

youre right, the 5-20-30 is doing me well.
would like to know if it make sense for me to change to another basesalt at the end of flower, more K.
basically to know if i need to buy more bags then one, or simply run all with one basesalt.
wont be able to find out i fear.

cobshopgrow said:

cocos chips
View attachment 4815338

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Im loving the coco chips! Way better then perlite!

in to my first run with chips, so far so well.
do like perlite, its so freakin neutral, but dont like the dusty bags in the kitchen.
chips seem to really work well as a replacement and give the needed aereation.
could be i will stick to chips, or a mix of chips and finegrain.

should be end of week 7 now, switched beginning this year.

went lower with the wattage, a good 180W in total plus some UVA, where i increased the hours now.
pigmentation recovered mostly and i think i helps to get ripe tops.


1-2 weeks maybe, reducing nitrgoen heavily now.

other tent, about day 21


this pheno tends to develop tons of quite even sized buds.

cobshopgrow said:

View attachment 4832578
should be end of week 7 now, switched beginning this year.

went lower with the wattage, a good 180W in total plus some UVA, where i increased the hours now.
pigmentation recovered mostly and i think i helps to get ripe tops.
View attachment 4832577
View attachment 4832576
1-2 weeks maybe, reducing nitrgoen heavily now.

other tent, about day 21
View attachment 4832575
View attachment 4832573
this pheno tends to develop tons of quite even sized buds.

Click to expand...

That is just beautiful.

Thanks for the amazing reading and information dense thread, Cob. So much to digest and ponder, especially as someone considering a b.lux build

thanks kOa, dont think one can go so wrong with such a stripbuild, didnt encountered a problem so far.
theyre solid, even they dont look like it.
have no overview about recent prices, especially from china, future electronics offering seems to be very fair.

i say about a week left on these.
swelling good atm, some bending over.

went even lower with the wattage and theyre on tap water from now.
the tap is rich in calcium and sulfate (gypsum) ...and its simply the way easiest way to feed them, a tad RO on the end maybe, et voila.
smell is allready incredible, heavy stinkers, real heavy.
a little fade would be nice, lets see, if not no big deal.

salmonetin said:

just curious to see if one year .... people doing veganic on cannabis ...using your lights for various grows (maybe Kyle Kushman....)...or other wall to wall or modern led grow lights... any veganic feed led grower here?....

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I've been veganic for the last year. I made one batch of my own supersoil with DTE Vegan mix + BAS pinto bean compost. since then I just use the BAS Light mix which is vegan and ammend with EWC between rounds. my reasoning was bc my son has a compromised immune system and I wanted to eliminate any guanos or manure from my grow since I grow indoors and they can be a pathogen source. there are a lot of other benefits but that was my deciding factor.

this tent is comming to an end soon beeing day 59.




all went pretty flawless, even where able to give them a good 1000ppfd at the tops for a time.
i let them ripen at hardly 160W in total, increased the UVA for a final push.
on tap water since about a week, now on RO water.

other tent is doing well too, but i got some bleaching problems.
i ramped up too high too early me guess, over 900 at the tops they didnt liked.
temps where high reaching almost 30C, CO2 was also quite high peaking over 1000 (but was not consistent).

always impressed by the sheer amount of well sized buds when i open the tent.
this pheno simply like to throwing buds.

cobshopgrow said:

this tent is comming to an end soon beeing day 59.
View attachment 4839677
View attachment 4839676
View attachment 4839675
View attachment 4839680
all went pretty flawless, even where able to give them a good 1000ppfd at the tops for a time.
i let them ripen at hardly 160W in total, increased the UVA for a final push.
on tap water since about a week, now on RO water.

other tent is doing well too, but i got some bleaching problems.
i ramped up too high too early me guess, over 900 at the tops they didnt liked.
temps where high reaching almost 30C, CO2 was also quite high peaking over 1000 (but was not consistent).

always impressed by the sheer amount of well sized buds when i open the tent.
this pheno simply like to throwing buds.
View attachment 4839679
View attachment 4839678

Click to expand...

man that is very pretty.

Is this your offseason, Cob? I was thoroughly enjoying your adventures!

Hopefully some more to come, soon

thanks, kind of a offseason , trying to get a bit outdoor atm as we have some summer going.
last yield was great, jars are quite full.
just have one old mother flowering right now.
really could have cared better for her.

nothing spectacular, but i guess it will keep my jars filled.
have to fight a higher humidity level atm and hope i dont get any rot like last times (where RH where always fine, means below 60%).

some gnats (BTIed them allready) and i should have prunned better... needs more cleanup prob.

Week 5-6 i think, smelling lovely.

good you reminded me to check my plants.
they where just at 500-600ppfd at the tops, 115W 3000K mainlight, 15W 660nm Red.
went now to 150W total for this 3x3, may raise it a bit more.
tops are showing about 750ppfd now.
will introduce them to some UVA also later in flower, havent so far... may should.

a little update, about week 7, they should need another 2-3 weeks.
overall it works out quite ok.




about 28C average.
135W 3000K, 15W 660nm red.
no spectacular spectrum, usual 3000K plus a little spike on 660nm.
technically all is working rock solid, not a single dim led or anything so far.

so here we are 2 months after initiating flower.

gave less light then i wanted to give, in the end it just had been a 83kWh for this 2 months for the mainlight.
8kWh for the 660nm and 1kWh for the UVA, 365nm in this case.
Most time she saw only 130W during flower, 3000K mainlight 114W average (83kWh, 61 days, 12h).
Only 600ppfd max at the tallest top, most are more like 400ppfd, corners way lower.
Am a bit closer then i would like to be, with the fixture 3 inch max from the tallest cola,
even using a mass of softly driven leds , a certain distance is better to achieve a nice even soup of light.
The tent isnt very tall, she stretched quite a bit and gave some pretty thick donkey dicks in the middle, so i ran a bit out of space, height wise.




looks like she have 2 more weeks to go, shes a 10 weeker.
So far, well, even for the lowlight, not so bad.


smell is great.

some colas are quite thick, no complains there.

lots of the cloas are bending over, a second net would had been good this time.
a few i stabilized a bit, most i didnt.




have a nice weekend.

here we are today.
sadly some rot is kicking in, didnt had these on the last runs with this pheno.
had a humidity of over 60 in the room for longer now.... next time i let the dehumdifier run more.
not really sure what to do, they could need a few more days till some amber.
so far it just had been one cola, as far i saw...

cobshopgrow said:

here we are today.
sadly some rot is kicking in, didnt had these on the last runs with this pheno.
had a humidity of over 60 in the room for longer now.... next time i let the dehumdifier run more.
not really sure what to do, they could need a few more days till some amber.
so far it just had been one cola, as far i saw...

View attachment 4959807

View attachment 4959810
View attachment 4959815

Click to expand...

Have you cut the bad bit off?

did that, was easy as its in front, well lets hope there arent much more.

You got some uv on this light, right? Not sure if it helps but I do believe it could inhibit somewhat