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9:05 and the 288s in 300k are sold out. :cry:

9:04 PM and the 304s are sold out. :cry:

Also, if you have a steam humidifier, swap it out for one that produces humidity without boiling water. Humidifiers don't need to be hot to make humidity.

Does the breaker box shown serve only your apartment, or other apartments too? Do you have an electric stove? Do you have electric heat? Do you have an electric dryer? Do you have a washing machine?

I'm currently planning to run the 304 boards in a flower space that will be either 2 ft x 4 ft (8 sq ft) or 2 ft x 5.3 ft (10.7 sq ft). I'd like to run the boards as soft as possible to maximize light and minimize heat. I have six (6) 3000K boards with slate 1 heat sinks that I could run with...

If you have another blower, you could run ducting from the outside of the tent, through the light, back outside the tent, through the separate blower. Use the current blower just to run the air exchange and odor control. This should help with reducing temps inside the tent since air needed to...

Yes, some HPS lights have reflectors that allow air to be drawn through them, which can help keep your tent much cooler when they are vented independently of the air in the tent. If can can vent the light separately, that will reduce the heat in the tent and help take pressure off the required...

Are you able the vent the light separately from the tent?

I had a good experience purchasing from CK. Received my seeds in 8 days. CK takes credit cards, which is something most North American seed vendors do not do. Before ordering, I did a fair amount of online research and quickly figured out that seeds get intercepted by customs all the time...

Isn't the data sheet temp measured on the cob, not the heat sink?

@robincnn I see that you have added a potentiometer to the HLG site. Will you be offering the Meanwell Type B drivers as an option to the 90/135/260 watt kits available next week?

@INXSOF , check out quantum boards. I'll be using them in the 4 x 2 space I'm working on.

I'm in the process of designing a 2 x 4 cabinet for my first grow in 20+ years. For lighting I plan to use quantum boards from Horticulturelightinggroup.com. Very low profile and high efficiency mean low heat signature. These are the perfect lights for height limited applications.

Yes, that is correct. All the equipment in your grow space should be plugged into outlets that are protected by GFCIs. Having equipment protected by GFCI helps reduce the risks caused by eliminating the grounding plug.

Is this plugged into a GFCI that functions correctly?

The driver looks like it is mounted on the underside of the fixture, not inside the box.

It looks like the driver is mounted in the middle of the light bar under the black plastic junction box?

Slate 1 - 100 watts Slate 2 - 150 watts Slate 3 - 120 watts

One, maybe 2.

Check out the indoor growing forum. There is a subforum dedicated LEDs that is very active and helpful.