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Not really .. The lighting show up in Chicago next month has a dialux class. I'll be there. Probably won't attend the class though. I still don't know all that dialux has to offer.... It is great though.

No led has no infrared heat like the sun and hid. So some nutrients are not mobile meaning they are only taken up when the plant drinks. Other nutrients are mobile. So because led has a high rate of photosynthesis yet not transpiring as hard they need a higher concentration of non mobile...

Not on this model..... A low profile more spread out fixture is in the works too though.

Yeah about 50k hrs.

Yes Sir They might even sport Samsungs logo

If you watch all the episodes you will see that the led side overall used less waterings/nutrients.... It's just Epsom salt is all they need. Extra cal Mag costing as much as 500 watts? Also we are using Samsung mid power..... High power degrades much quicker LM80 available on Samsungs...

Each light has its own nutritional needs as well as environmental needs. Adding extra Cal Mag when it's not needed could actually cause lockout. Point being if we matched everything exactly ether the HPS would suffer from over fertilization and high temps or the led would suffer from...

We should have sphere data this week. We will post it up asap.

That's correct. It will get a closer with the new boards. Most other led companies are saying 1400 total ppf will do it. (I'll reserve judgment until we test this ourselves). We will be close to 1300 with the same 510 watts. So still pretty damn good in my book.

Nice The floraflex stuff looks so nice.

Anyone can download the report on our site. Just a heads up the 550 might be seeing a little output bump in a few weeks. ~10%

Who runs a 14" fan in a "small" grow? You seem to be really reaching here. If you want high end the hurricane fan and controller are great. Also, these fans work really well and for the price, they are a steal. Super quiet. Temp control and use 36 watts wide open. We have one. Most of the time...

No I promote exhausting out of the living area.(cut a hole to the attic or out a window. I also promote the Titan 4 fan speed controller that allows the fan to speed up and down with temperature. Humidity doesn't build up with a slow fan speed generally.... So yes if a person is under 4 lights...

Most small growers are exchanging air..... You don't need a dehumidifier or AC in those cases. That is where led really helps the small scale. Hard to cram a 1000 in a 4x4 vs a 500-600 watt led. Very different behavior. Some newer mini splits have a dehumidification function as well.

Its isn't off gassing. It's fading out because of the light exposure. There are two types of black anodizing. One is rated for outdoor use which apparently isn't what they are using. I'll have @robincnn look into it.

Lack of frost was from overwatering and too high RH. High 70s and low 80s humidity is not good. It's proven running lower RH increases frost. I imagine the opposite would be true in an opposing situation. The HPS side has been 50-60% vs 75-85%.

Low transperation for the amount of photosynthesis...... Lots of deficiencies. 81 or so seems to be really nice. Extra Mag is always helpful as well.

They are actually slightly wider. They still fit on slate 2 quite well though. They had to be to accommodate the new optics system.

we have 320-watt kits as well. with and without optics. also, the 2 board 2 heatsink combo can include optics as well