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Is you exhaust vent at the top/roof of your tent? Most people forget basic physics - heat rises. I would say make sure you vent the hot air out a window, and your intake to also be routed to a window or a source of fresh air. 6" fans are kinda small i've learned that 8" inline fans with 8"...

The stretch is starting to take hold! Also got a new Inkbird thermostat, not sure how accurate they are, but i will update on that!

Hey guys, so i recently purchased a thermostat for my ventilation fans in my 4x4 COB grow. Basically the tent has two intake fans and a single exhaust at the top of the tent, all of them ducted to the window. So i have this thermostat hooked up to the 2 intake fans. Exhaust is always running...

These lights have 90 degree lens angle i believe, according to the manufactures website.Yeah it is a ton of light! i wanted to make sure that lack of light wasn't an issue and i think i might have went overkill but its better to have it and not need it, than need it and not have it! The whole...

yes it would diminish in the center, which is already getting blasted with 1000+umol/sec. and as @Stephenj37826 said, it is not as effective in a normal setting (without supplemental co2) to have them that low. I believe its better to have higher readings on the outer edges of the canopy than...

im sorry you're correct i meant photosynthetic photon flux density. ppfd or PPF if you dont measure lux/m^2 . the chart is just labeled incorrectly. the intensity of the light is diminished at the edges of the area by lowering the lights, not the quality of light. You are right in the fact that...

how do you actually make sure your entire canopy is getting light at a height so low? (7") we are running 800w actually (unless you were referring to @doz )

trolls gotta troll ahah

depends on the type of genetics, growing medium, light source, size of your pots, nutrients, water source. but it looks like about a pound.

Sounds all good, you want more cloudy & amber than clear. Just make sure you're checking trics on the buds not the sugar leaves!

1.5ft, is that above the pot or from the ground?

We use them only in the flower room at full power, we veg under 3 mars hydro600 panels. I raised the lights at first because of the canopy heat, and second because our scrog net is basically filled, and i want the most even light distribution even to the outer edges. According to the light's...

Yeah heat was my #1 issue which led me to going with COB technology. Our canopy stays at 75f with full lights on, in a space half the size of the tent! (4x4) and this is at a height of 21" we could go higher for more spread and less heat at the canopy, but I don't want to give up much intensity...

I'm thinking it might be from soaking the coco too much before transplanting. still not sure though. bump?

i would start feeding nutes, but it depends on the type of nutes you have, Kyle Kushman's line says to start feeding from seedling!

Hey guys, back again with another newb question i can wrap my head around trying to get some input. I moved these GDP seedlings from their tiny 16oz party cups with soil to 5 gallon smart pots with Canna Coco, its been 2 days now and a few of them still seem really droopy, is it the change in...

Thanks you sir, with enough research and knowledge you can really do anything.

depends on the type of genetics, growing medium, light distance from canopy, and how high your net is from the pots.

you can buy them at @GoGreenLEDs http://www.gogreenleds.com/store/p7/4_pack_of_200W_4_COB_lights.html They're actually not johnson lghts, i was going to get johnson's lights but i learned they use the cxa chips, GoGreen uses the cxb3070's which is why i chose them @GoGreenLEDs

Update: GDP seedlings are now in their smart pots, tent is light sealed in half, and the GSC shit clones are flipped to flower under their 800w 16 COB setup Surface & ambient temps cant wait to see what i yield with these beast lights, did a par comparison to a gavita DE 1000w hps...