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And AP I guess i see the logic behind both methods, I'm not sure which one works better in practice though. Same intensity controlled via height or varying intensities limited to a static height. Like you said, one may just come about due to the need to solve a problem (height restrictions)...

I'm sorry guys. I think there was some confusion. SDS, I was asking if I could/should run two Vero 18's through a single driver but wire them in PARALLEL instead of SERIES. Theoretically that would retain the same voltage pull, but would split the current between the two (1050/2=525 each). Do...

Perfect. 9x Dimmable in a 2 foot x 1 foot right? Cheers. [Edit] And to clarify I meant 4 total Vero 18's. So you'd recommend 9 total, being dimmable for a 2x1 area

Would you have a recommendation for driving multiple Vero 18s at that level? I was thinking maybe 4 around 400-500 mA. Maybe a 1.05 A driver running 2 Veros in parallel?

Burn the plants

My final concern in designing my seed to flower light is the intensity of it in a height limited grow. I am now looking at PAR wattage figures, but want to make sure that 30 PAR watts is not too much per square foot (especially considering 12" light distance from canopy top). Would I be better...

Okay so I am looking for an ideal around 30W (PAR) per sqft flowering, and drive them down in order to get about 5W (PAR) per sqft during veg stage? Is this a decent goal? [edit] And thank you for clearing up the tables for me! I felt like I was missing out on something important haha.

Also AP, am I reading Supra's spreadsheet wrong? I thought a single Vero 18 @ 700 mA would bring a little under 20 watts, while you're saying that 2 of them would bring 16 watts. I was thinking of 2x Vero 18 3500k @ 1050 mA if I could get close to 30w out of each of them, if not I'd want to go...

Even better with 3500k + reds and blues? Or just go solo Veros to get a feel for it and keep things simple and costs down?

If I have the Arctic 11 plus cooler, do you think I could be able to stick 2 V18s on one of them? That way I could run 4x Vero 18s on 2x heatsinks.

One more question, do you recommend using the 700 mA rating you gave as an example? Or should I run the Vero 18s harder at 1050 mA+?

Exactly what I was asking for thank you! So do you suggest just using the same Vero 3000k lights the entire seed - > harvest grow? I would still shoot for ~35w/sqft right (flower)?

Going along with DonPetro, I am looking at a small cab grow as well. The space is roughly 2'x1'x4' and will be scrogged to keep the canopy as low as possible. I am doing seed to harvest in this 2 sqft space and was originally looking at 2x CXA3070 3000k Z4's running at 800-1050 mA for...

@SupraSPL You mention now that Cree XP-L 5700k V2 is a good veg/clone chip. I have ~1.9 sqft flower area that I have 2 CXA3070 3000k V4 chips that I will run (1 per sqft) at 900-1050 mA on the Arctic coolers. These LEDs should work on their own for flowering, and I always have the option to...

Like one other mentioned, restock of some Bodhi beans at the tude. Noticed Lucky Charms and Sunshine Daydream (SSDD) are BOTH back in stock.

I am about to start my second ever grow and would like some advice. But first a little history. My first grow was very experimental and I kind of just let things play out to get a first hand experience with the plant and how it grows. I ended up with 3 AK48 females at flower, and 1 bagseed...