catweazle1 Posted April 15, 2023 Share Posted April 15, 2023 (edited) 200-400 seedling, 400-600 main veg, 850 flower. Over a 1000 you want carbon dioxide. @L3D Edited April 15, 2023 by catweazle1 1 Link to comment Share on other sites More sharing options...
MindSoup Posted April 15, 2023 Author Share Posted April 15, 2023 I can never be arsed to work out DLI, I just know what to run at what phase of the grow. For seedlings: 300 (although I quite often just go straight to veg intensity, should be fine if you're environment is good, might not be the most efficient way though) For veg: 550-650 For flowerimg at 12/12: 750-1000, 850 being what seems to be the sweet spot. Write down a little chart to stick on your tent and you can save the hassle of doing maths. I.e. 300= 17647 600= 35294 750= 44117 1000 = 58823 And don't worry, it's a ball park thing you don't have to get it bang on the money. Bruce Bugbee/Apogee Intruments on YT is the place to look if you want to really go down the rabbit hole. 1 Link to comment Share on other sites More sharing options...
L3D Posted April 15, 2023 Share Posted April 15, 2023 (edited) @MindSoup - @catweazle1 - thanks! So im probably under at 340 then! Ill lower the light or try it at 75%! The plants look happier within half an hour of going from 25 up to 50% Without the meter i would have left them on 25%! Well handy! thanks .. Edited April 15, 2023 by L3D 2 Link to comment Share on other sites More sharing options...
catweazle1 Posted April 15, 2023 Share Posted April 15, 2023 Lowering your light to 6" (150mm) and setting your light intensity from there with your meter is the cheapest you can run your lights. I mostly work with a foot distance. 1 Link to comment Share on other sites More sharing options...
L3D Posted April 15, 2023 Share Posted April 15, 2023 Cheers , Ive dropped the light down much closer than it was and left it at 50% gets my PAR up to 460 which is much closer for vegging! Ill see how they get on with that, the added bonus is that it has got my temps up a few degrees too! EZ 1 Link to comment Share on other sites More sharing options...
catweazle1 Posted April 15, 2023 Share Posted April 15, 2023 Yes, getting it close does add useful warmth to the canopy. Blowing a fan above the light will help too. 2 Link to comment Share on other sites More sharing options...
MindSoup Posted May 27, 2023 Author Share Posted May 27, 2023 Link to comment Share on other sites More sharing options...
Slippy One Posted June 12, 2023 Share Posted June 12, 2023 (edited) Just received my UNI-T UT383 from Shanghai. I'm going in blind and have absolutely no idea what I'm doing. I see there's an app for Bluetooth, not sure I need it, and by the looks of the reviews next to useless. Never used one, looking forward to all the electricity I can save by giving plants what they need and no more.. Anyway, wish me luck. The rabbit hole has opened on what readings I should be look at/aiming for.. As soon as I buy 3x AAA batteries I mean.. Anyone else using a UNI-T and have some tips? Edited June 12, 2023 by Slippy One 2 Link to comment Share on other sites More sharing options...
MindSoup Posted June 12, 2023 Author Share Posted June 12, 2023 Super easy dude, the only thing that might catch you out is not noticing the X10 or x100 in the bottom corner of the display. First time I used I thought I was giving them like 60ppfd or something. 2 Link to comment Share on other sites More sharing options...
The Villan Posted June 13, 2023 Share Posted June 13, 2023 Best bit of kit I bought. Use the PPFD Meter app. 1 Link to comment Share on other sites More sharing options...
Slippy One Posted June 13, 2023 Share Posted June 13, 2023 Just out of curiosity, what number do plants like best? Or is that another debate entirely?! Link to comment Share on other sites More sharing options...
The Villan Posted June 13, 2023 Share Posted June 13, 2023 Just now, Slippy One said: Just out of curiosity, what number do plants like best? Or is that another debate entirely?! Check out Catweazles and mindsoups earlier posts Link to comment Share on other sites More sharing options...
MindSoup Posted June 13, 2023 Author Share Posted June 13, 2023 (edited) My bad thought that had already been mentioned in this thread, must have been somewhere else. Luckily we've got a lot of solid science to go off thanks to the likes of Bruce Bugbee and Apogee Instruments (check him out on YT for the real rabbit hole). @MIGRO also has a lot of useful videos in a more simplified, easy to digest format. Between the two of them you can learn everything you could possibly need to know. In a nutshell: Seedlings 300 Veg 600 Flower 750-850 You can go higher in flower (1000 or so) before you start causing damage, but you start to get diminishing returns on yield Vs electricity costs. E2A or maybe it was on here after all . @Slippy One, always read the whole thread before asking questions . Edited June 13, 2023 by MindSoup 1 Link to comment Share on other sites More sharing options...
Slippy One Posted June 13, 2023 Share Posted June 13, 2023 Changing pages is a luxury my 3 browsers can barely afford.. Anyway, thanks for the info, good to know what plants prefer without the usual slagging match we hardly ever see these days.. 3 Link to comment Share on other sites More sharing options...
MindSoup Posted June 13, 2023 Author Share Posted June 13, 2023 Aha yes, the old browser issues,I'll let you off this time . Isn't it crazy, 3 whole pages and not a single swing of the handbag . Link to comment Share on other sites More sharing options...
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