Recent content by Treecutter2003

Don't believe any charts on light. Get a par meter as soon as you can afford it. If you can't afford the apogee, this is a good alternative. It hits within .003 of my apogee. SpotOn 400-700nm Quantum PAR Meter. Scientific Grade. DLI Mode Built in. Accurate for All Light Sources Including LED...

Your right. You would have to be growing the same strain under the same conditions, nutrients etc. multiple times to see if your grams per watts is relevant or measurable by changing one of the conditions or the light.

Get two of these. They'll be plenty enough. You'll get around 800 par 18 inches off the canopy in flower. You don't wantvto go over 700 par unless your running co2. That keeps you diods life longer not running full blast...

The op asked for the most economical. So now we're up to 700watts @ 2.9. We forgot about 22,000 btu 6 burner for a 4x4 and how many grms per watt were going to get on our first grow. We even forgot about tissue cultures and protocols so he doesn't have to buy seeds for his next grow. Anything...

Ive seen 2 Shop vac filters taped end to end put on them too.

Get two 240 watt led and you'll be fine. Its all about the par. I assuming its your first grow and you not going to be running co2 tanks or burners. The bottom 2 picks are 2 autos i seeded under a SF 1000 spider farmer in a 2x4 tent. Get a good humidifier and a good exhaust fan and your gold...

Longer duct with the fan at the furthest end. These lower end manufacturers don't use very good motors and the heat, dust and pollen eats them up. You wouldn't buy an open air cooled motor for your metal shop but they'll sell you one for your grow tent thats not totally enclosed. Only way to do...