Hlg 300 v2 3000k with single cree cob 100 watt

Im building indoor grow and have a few quistions the hlg 300 v2 is for a 3x3 space if i add a single cree cob 100 watt and 2 t5 tubes and have 4 plants under a 250 watt cfl with proper grow room setup would i be able to raise height of the hlg 300 v2 what kinda of size of area should i make? For 4 plants i want to use 7 gallon pots and grow them big

Whats exatcly required for proper indoor grow room can anyone point me in the direction i need to go to grow?

I would instead run 2 of the hlg 100v2 3000k in a 4x4x7 (or something like that) and ScrOG.
My box is 2’x2’x4’ and I run a single HLG 100v2. My single plant totally fills the space. I could run 2 if I wanted to ScrOG them.
Using LEDs you’ll want to be sure to keep the grow space a little warmer (~75-80*) since they don’t give off much heat and keep leaf surfaces cool.
I’m on my first grow still so take my advice with a grain of salt someone more experience will be along soon..
do some reading on air flow and how do design a grow space. Lots of good info online

THCA710 said:

Im building indoor grow and have a few quistions the hlg 300 v2 is for a 3x3 space if i add a single cree cob 100 watt and 2 t5 tubes and have 4 plants under a 250 watt cfl with proper grow room setup would i be able to raise height of the hlg 300 v2 what kinda of size of area should i make? For 4 plants i want to use 7 gallon pots and grow them big

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I didn’t read you wanted your plants big, my bad man. Run a bigger space with 2 of those HLG 300s. I’m not sure what the footprint of those guys is but you could maybe get away with an 8x8 space

Instead of using 2 hlg 300s what if i add a 250 watt light with single cree cob 100 watt?

And t5 tubes blue during veg and red during flowering i also gana add a cmh light 300 watt 2 weeks befote harvest

Air conditioning and venting is important i want to make it proper

Check out mixing lights. I’ve heard it’s not good because you get wacky spectrums. And uneven heating.
Again, I’m new so I’m not %100 sure about it but I am pretty confident