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Search: Posts Made By: sethimus
Forum: Grow Diaries 05-12-2019, 10:48 AM
Replies: 1,098
Views: 68,076
Posted By sethimus
just lower the lights then? that‘s THE advantage...

just lower the lights then? that‘s THE advantage of mid power leds
Forum: Growing in Coco Coir 04-29-2019, 11:05 AM
Replies: 33
Views: 1,841
Posted By sethimus
this thread shows why you should NOT quit school...

this thread shows why you should NOT quit school before chemistry 101
Forum: Grow Diaries 04-25-2019, 08:34 AM
Replies: 1,098
Views: 68,076
Posted By sethimus
afaik eu laws should be the same, that's the EU's...

afaik eu laws should be the same, that's the EU's main thing, homogenizing all the laws
Forum: Grow Diaries 04-24-2019, 08:09 PM
Replies: 1,098
Views: 68,076
Posted By sethimus
Digikey is your friend here, you just need to add...

Digikey is your friend here, you just need to add the VAT of your country to their price, shipping/customs is already included. i ordered several times from them, it was always just 19% VAT and...
Forum: Palindrome's Workshop 04-16-2019, 02:49 PM
Replies: 138
Views: 7,394
Posted By sethimus
how have you planned the air circulation? one big...

how have you planned the air circulation? one big fan for all boxes? are the outlets adjustable in air flow?
Forum: Growing in Coco Coir 03-29-2019, 01:14 PM
Replies: 156
Views: 10,815
Posted By sethimus
what would the advantage of that be in a multi...

what would the advantage of that be in a multi light setup besides extra labour nobody pays for?
Forum: Growing in Coco Coir 03-26-2019, 04:04 PM
Replies: 23
Views: 2,342
Posted By sethimus
you can run a hybrid system?

you can run a hybrid system?
Forum: Growing in Coco Coir 03-12-2019, 11:50 AM
Replies: 16
Views: 1,229
Posted By sethimus
old formula megacrop only needs epsom salt and...

old formula megacrop only needs epsom salt and and a pk product like mpk, increase base if they look pale
new formula not, just increase the amount if they look pale
Forum: Growing in Coco Coir 03-10-2019, 09:20 AM
Replies: 67
Views: 20,084
Posted By sethimus
is that inside a shipping container?

is that inside a shipping container?
Forum: LED Grow Lights 02-17-2019, 11:37 AM
Replies: 77
Views: 3,585
Posted By sethimus
i suppose both use 4000k + 660nm, the difference...

i suppose both use 4000k + 660nm, the difference in spectrum is that fluence uses lm561c and gavita the lm301b, check the spectrum of those, the lm301b has more blue
Forum: Growing in Coco Coir 02-16-2019, 09:45 AM
Replies: 6
Views: 498
Posted By sethimus
i would not use pots larger than that for your...

i would not use pots larger than that for your height, that's more than plenty in coco
Forum: Growing in Coco Coir 02-14-2019, 12:24 PM
Replies: 13
Views: 1,093
Posted By sethimus
Day 45 update, both sides got the reservoir...

Day 45 update, both sides got the reservoir diluted with plain RO today, no more fresh nutes for the girls:


https://www.icmag.com/ic/attachment.php?attachmentid=485753&stc=1&d=1550143453
...
Forum: Growing in Coco Coir 02-03-2019, 11:59 AM
Replies: 17
Views: 764
Posted By sethimus
growing in slabs usually implies that you are...

growing in slabs usually implies that you are using clones as you need similar sized plants on the same slab, growing seed plants in slabs is just limiting yourself as you can't correct plant spacing...
Forum: Growing in Coco Coir 02-03-2019, 08:58 AM
Replies: 17
Views: 764
Posted By sethimus
bs, clones are as old as the mother plant...

bs, clones are as old as the mother plant...
Forum: Growing in Coco Coir 01-25-2019, 07:54 PM
Replies: 13
Views: 1,093
Posted By sethimus
day 26 update, both sides were defoliated...

day 26 update, both sides were defoliated #mangotech style on day 21 and are budding up nicely


https://www.icmag.com/ic/attachment.php?attachmentid=483395&stc=1&d=1548442397

harybo/mix side,...
Forum: Growing in Coco Coir 01-16-2019, 10:11 PM
Replies: 4
Views: 851
Posted By sethimus
those sticky threads are there for a reason...

those sticky threads are there for a reason...
Forum: Growing in Coco Coir 01-15-2019, 09:33 AM
Replies: 61
Views: 5,680
Posted By sethimus
i dont like canna, too fine and dense. i rather...

i dont like canna, too fine and dense. i rather have a airy mix, that's why i use ugro's mix 3

https://ugrococo.com/three-structures/
Forum: Growing in Coco Coir 01-11-2019, 11:21 AM
Replies: 13
Views: 1,093
Posted By sethimus
920w + driver losses, gonna hook up power meter...

920w + driver losses, gonna hook up power meter soon to know for sure

right now they are at 41-42°C, running for 4h


strip temp is around 24°C (backside of the u-channel in the middle)
Forum: Growing in Coco Coir 01-10-2019, 01:37 AM
Replies: 13
Views: 1,093
Posted By sethimus
hot linking is not possible, that's the whole...

hot linking is not possible, that's the whole kit:

https://www.secretjardin.com/scripts/files/5bf7f4c8181c06.49631271/ducting-flanges---oe16-exploided-02.jpeg
Forum: Growing in Coco Coir 01-10-2019, 01:36 AM
Replies: 13
Views: 1,093
Posted By sethimus
around 30w per strip, they only get slightly...

around 30w per strip, they only get slightly warm, should be around 2,7µmol/J


those kits just came out:

...
Forum: Growing in Coco Coir 01-09-2019, 11:48 PM
Replies: 13
Views: 1,093
Posted By sethimus
My old mega light...

My old mega light (https://www.rollitup.org/t/pictures-of-your-diy-lights-post-your-pics.871625/page-99#post-14333092) got dismantled and replaced by 2 of these beasts:

...
Forum: Growing in Coco Coir 01-09-2019, 11:43 PM
Replies: 13
Views: 1,093
Posted By sethimus
New year, new grow room, new lights, new everything

After a quite shitty 2018 (crazy tenant over me flooded her flat 2 times, needed to move to continue growing in peace) i finally set up my new place and changed quite a few things. I "modded" my...
Forum: Growing in Coco Coir 12-18-2018, 04:40 PM
Replies: 15
Views: 1,104
Posted By sethimus
try a cheaper nutrient line maybe? have you heard...

try a cheaper nutrient line maybe? have you heard of megacrop? it's a one part powder, lots of people swear by it:


www.rollitup.org/t/greenleaf-nutrients-and-mega-crop-happy-to-be-on-rui.946071/
Forum: Growing in Coco Coir 12-17-2018, 10:14 PM
Replies: 15
Views: 1,104
Posted By sethimus
horticulture companies do this, BUT they...

horticulture companies do this, BUT they sterilize everything and then they do a water test on what nutrients are still in there and add the missing ones according to the recipe they want, not so...
Forum: Growing in Coco Coir 10-29-2018, 08:25 PM
Replies: 78
Views: 23,728
Posted By sethimus
it's also not quora.com

it's also not quora.com
Forum: Growing in Coco Coir 10-29-2018, 10:44 AM
Replies: 78
Views: 23,728
Posted By sethimus
there is a pinned thread about the chemistry in...

there is a pinned thread about the chemistry in coco, these threads are not there just for fun...
Forum: Growroom Designs & Equipment 10-20-2018, 03:36 PM
Replies: 7
Views: 663
Posted By sethimus
https://www.marketwatch.com/press-release/samsung-...

https://www.marketwatch.com/press-release/samsung-lm561b-led-package-certified-to-meet-lm-80-standard-for-high-lumen-maintenance-2013-10-28

there are no newer reports on lm80 ratings but i doubt...
Forum: Grow Diaries 09-22-2018, 09:20 PM
Replies: 58
Views: 5,667
Posted By sethimus
can you tell a bit more about your ac? is it a...

can you tell a bit more about your ac? is it a window model? does it affect the smell outside the room?
Forum: Growing in Coco Coir 08-25-2018, 07:49 AM
Replies: 2,025
Sticky: H3ad goes Coco
Views: 974,576
Posted By sethimus
cut your water with ro water

cut your water with ro water
Forum: Growing in Coco Coir 08-20-2018, 09:50 AM
Replies: 28
Views: 4,571
Posted By sethimus
have you tried topping plants at that density...

have you tried topping plants at that density before? or is it better to go with single colas @36 plants per 4x4?
Forum: Growing in Coco Coir 08-20-2018, 09:43 AM
Replies: 4
Views: 597
Posted By sethimus
aren't biotabs meant to be used with a light soil...

aren't biotabs meant to be used with a light soil mix? what will your plants eat in the time till the nutes are mineralized without any usable food in the coco?
Forum: Growing in Coco Coir 06-14-2018, 10:07 AM
Replies: 29
Views: 3,733
Posted By sethimus
i can recommend sonoffs as a timer, but only up...

i can recommend sonoffs as a timer, but only up to 4 waterings/day
Forum: Growing in Coco Coir 06-14-2018, 10:06 AM
Replies: 78
Views: 23,728
Posted By sethimus
daaaaaayumm. good job!

daaaaaayumm. good job!
Forum: Growing in Coco Coir 05-03-2018, 10:31 AM
Replies: 10
Views: 1,585
Posted By sethimus
do you guys keep the ca:mg 3:1/3:2 ratio when...

do you guys keep the ca:mg 3:1/3:2 ratio when flushing or not?
Forum: Growing in Coco Coir 04-30-2018, 01:36 PM
Replies: 78
Views: 23,728
Posted By sethimus
ugro also offers two different mixes: ...

ugro also offers two different mixes:

https://ugrococo.com/two-structures/
Forum: Growing in Coco Coir 03-26-2018, 12:26 PM
Replies: 12
Views: 1,498
Posted By sethimus
looks more like someone has *really" small...

looks more like someone has *really" small hands...
Forum: Growing in Coco Coir 03-18-2018, 08:12 PM
Replies: 145
Views: 41,774
Posted By sethimus
another alternartive would be yaratera kristallon...

another alternartive would be yaratera kristallon brown 3-11-38 but you would need to increase the p somehow without using MKP as the P:K ratio is a bit off:
...
Forum: Growing in Coco Coir 03-18-2018, 08:10 PM
Replies: 145
Views: 41,774
Posted By sethimus
maybe try universol basis, it's similar with...

maybe try universol basis, it's similar with 4-19-35 but has less magnesium:

https://icl-sf.com/global-en/products/ornamental_horticulture/2016-universol-basis/
Forum: Growing in Coco Coir 03-18-2018, 03:47 PM
Replies: 19
Views: 2,625
Posted By sethimus
nice room

nice room
Forum: Growing in Coco Coir 03-18-2018, 02:32 PM
Replies: 145
Views: 41,774
Posted By sethimus
you could order it online: ...

you could order it online:

https://www.duengerexperte.de/naehrsalze/hakaphos/hakaphos-basis-4-4-16-32-6.html
Forum: Growing in Coco Coir 03-18-2018, 09:38 AM
Replies: 72
Views: 21,062
Posted By sethimus
my actual feeding looks like this: ...

my actual feeding looks like this:

PPM Total PPM Nitrogen Total (N) 109,36 Phosphorus (P) 75,25 Potassium (K) 229,78 Magnesium (Mg) 56,36 ...
Forum: Growing in Coco Coir 03-18-2018, 09:34 AM
Replies: 72
Views: 21,062
Posted By sethimus
i water about 1,6l each day, over 2 cycles in 12l...

i water about 1,6l each day, over 2 cycles in 12l pots:

https://i.imgur.com/oVUkKlB.jpg

(i increased the vpd yesterday, to increase transpiration)
Forum: Growing in Coco Coir 03-17-2018, 06:41 PM
Replies: 72
Views: 21,062
Posted By sethimus
so if i'm using mills coco and cork (50% cork) i...

so if i'm using mills coco and cork (50% cork) i should rather increase my K?

i'm asking because i tried heads formula and i only had sub par results. since i switched to peters 3-2-1 formula...
Forum: Growing in Coco Coir 01-15-2018, 11:43 AM
Replies: 2
Views: 716
Posted By sethimus
irrigation sensors --> gateway --> 24v relay -->...

irrigation sensors --> gateway --> 24v relay --> valve for each irrigation zone

quite expensive if you ask me...

can be done in diy for a lot cheaper, with mycodo software on a raspi + a few...
Forum: Growroom Designs & Equipment 01-13-2018, 05:13 PM
Replies: 21
Views: 3,235
Posted By sethimus
and sensors come with their own software on a...

and sensors come with their own software on a chip these days:

https://atlas-scientific.com/
Forum: Growroom Designs & Equipment 01-13-2018, 05:12 PM
Replies: 21
Views: 3,235
Posted By sethimus
yo gramps, ever heard of open source software? ...

yo gramps, ever heard of open source software?

https://github.com/kizniche/Mycodo
Forum: Growing in Coco Coir 01-02-2018, 05:34 AM
Replies: 15
Views: 4,245
Posted By sethimus
translation: stop thinking for yourself, just...

translation: stop thinking for yourself, just follow the sheep... /s
Forum: Growing in Coco Coir 12-25-2017, 10:56 AM
Replies: 5
Views: 1,277
Posted By sethimus
i use a flower power sensor from parrot, it shows...

i use a flower power sensor from parrot, it shows the water content in the substrate.
Forum: Growing in Coco Coir 12-22-2017, 07:24 PM
Replies: 5
Views: 1,256
Posted By sethimus
how about posting in the EXISITING thread? why...

how about posting in the EXISITING thread? why opening another one?
Forum: Growing in Coco Coir 12-22-2017, 10:50 AM
Replies: 5
Views: 1,256
Posted By sethimus
that's a reason for opening another thread?

that's a reason for opening another thread?
Showing results 1 to 50 of 59

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