No journals mate. Only doing photos at the moment and nobody here cares about them understandably.
630w of CMH in a 1.2x1.2 is probably overkill for autos mate. Personally I think 600w of HPS is probably more than enough for AUTOS. Photoperiods need a lot more light though.
I’m thinking 9 x 50w cobs per 1.2x1.2 mate. Reckon that would kill it. 450w of cob light is some serious illumination! It’s pretty cheap now, around 30 quid per 50w cob unit and then the driver/s. Prices have come down since I last made a light.
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First of all, I got to agree with
@stoney T , I care too
. No, really, I follow a couple of photo journals here and soak up the info preparing for my first photo grow
. Stoney's got some Glueberry and Passion Fruit photos from DP running, right?
Second, you think? Didn't know that photos required more light, I reckoned that plants had a daily max amount of light (?) they could take in and didn't think that the difference between autos and photos is that severe
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However, I do agree about the 9 x 50 W COBs for that space, that seems to be ideal
. What kind of heat would that setup put out? Compared to HPS?
Yep, simples. Close the tap on the res (if you remembered to fit it).
I then put bio pk in the empty pot trays after a dry spell. They suck it up so quick!!
Here's your answer
@stoney T , I do the exact same thing, close the tap for a day-day and a half and then top feed Bio PK. And boy do they ever suck it up, greedy bastards
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Yes I do mate
. Next update will contain topping
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Haha I'll try and do one then mate. Once the Blues and DiscoBiscuits are flowering I'll get something up. Man I can't wait to try the biscuits!
Also
@Ryker604 & Stoney, I think I have settled on 300w of 4000k cobs and 150w of 3000k cobs. Use the 4000k for veg and early flowering, then add in the 3000k for main flowering? This will be for the photos. What you reckon mate? Those spectrums pretty much match the daylight/agro bulbs for the 315 CMH lights. Most of the citizen cob spectrums are fairly close in terms of the red end, its the lower end that varies a little. 4000k still has a decent amount of red, but more blue end also so a little less stretch in veg.
Just ordered a HyperFan Stealth and big Can-Lite filter. A first for me!
So you're going for Citizen? May I ask why (no preferences, just for info)? Are all those lights going in one fixture or are they going to be separated? I would go with 250/200 W but if you're right about the slight difference in red then more 4000K is better I suppose.
I'm using Can-Lite filters and I'm mostly satisfied with them (but can't say that I have much experience with filters :smoking
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Question for anyone here........
Is internodal spacing decided in early veg? Thats to say, if you start plants under T5 to get tight node spacing, and then veg proper under say 3500k cobs, will the node spacing increase due to the red light in the cob spectrum or is that set when young? I have definitely noticed using 3500k cobs for the full life of the plant means some fairly stretchy plants, with spaced out nodes. Too much red in the spectrum apparently.
From experience, wouldn't say that it is decided in early veg. Did a little bit of research now because of this question, on my MH bulb (SunMaster Cool Deluxe 600W), the tech sheet says 10000 K and I gotta say this bulb cuts the canopy like a laser, doesn't let them get closer than 40 cm and internodal spacing is super tight (even too tight sometimes). But when I switch for HPS during preflower where they still stretch, genetics come into play more it seems and plants expand their internodal spacing and stretch freely, some more than others
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Shit, hope this helps, somewhat a mess of an answer
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maybe time for that added calmag. my plants under my cobs eat calmag like crazy
They grew out of it in a couple of days. I've read somewhere that it takes time for dolomite lime to become "active" in the substrate (as do BioTabs), so I guess it needed a couple of watering and some bacteria work to become available to the plants. But probably should've at least sprayed some calmag on them.
Better luck next time :smoking:. Thinking about preparing the coco 10 days before potting, to let it brew for a while
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@Ryker604 do you use any sort of root stem for your young plants mate? Or just the biotabs soil mix and water?
Cheers buddy
Don't know if I quite follow you mate, root stem? When I ask Google, it mostly tries to define the difference between root and stem, sorry
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Phew, what a reply, took me almost 30 minutes
. Update coming soon.