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That is VERY SIMPLE answer Intensity = Light at Source/ Distance squared 600w at source = 95,000 lumens Let's suggest distance 2 feet Intensity= 95,000/ 2 feet ^2(4) Intensity = 95,000/4= 23750 Now put it at 3 feet away Intensity = 95,000/3 feet^2 Intensity = 95,000/9=10,555 -potlike

Not w/ MH -potlike

Sometimes used for fish aquariums, but has moved towards t5/t5ho. -potlike

Ballast needed-yes.... MH lamps closest bet is either hydro shops or pet supply stores if you are in a BIG town ... otherwise local retailer is a long shot. -potlike

400w hps are more efficient than 1000w in regards to light to heat ratio and lumens per watt. They both have the same spectrums relatively speaking bulb to bulb. 600w is the most efficient bulb out of any HPS bulb. 600w =90k lumens 600x5=3000w which = 450k lumens 1000w=140k lumens...

I could not have said it better myself. -potlike

Don't worry GT supernoob is always right and knows more than everyone on this forum. -potlike

You're doing a few bad things... you are over watering you will create nutrient lock in a few days because of excess salt... you can potentially create sodium chlorate (weed killer). Buddy I've backed up everything I have stated as facts but here are some references for you: 1...

Let's just say it's a hell of a stretch and that the terminology used really isn't appropriate it should be ppfd and par and 1000w is another bad example because it is less efficient than 600w. But.... take a look at the picture to get an idea. -potlike

I've worked with LEDs for a few years..... so I do have experience with them just not in a growing setting. I'm just saying they aren't on level w/ HID watt for watt and that's fact backed up by the specs of the LED lights themself. So it is a reasonable claim. If you didn't notice I did say...

where's that link at? Oh wait it doesn't exist because you made it up.... exactly like I thought. -potlike

not to mention his Salt(sodium) mixing with CHLORINATED water.... if I'm not mistaken you just did a good job making sodium chloride which is a component in weedkiller. rofl -potlike

<catnips> you can lead a man to knowledge but you can't make him think Just because someone has a lot of posts doesn't make them intelligent....as I said before there are some really great growers on here that have been here for years and then there are complete moron. Because you are still...

Actually, in the long run LEDs will outperform HID lighting, but it will not today. Reason being PAR(Photosynthetic Active Radiation) of LEDs is very configurable giving 100% usable spectrum and when LEDs are released that do over 150 lumens per watt for their respective wavelengths -HID...

Ok, I guess when I posted this earlier it didn't post for some reason. Problem is it isn't straight facts that he's coming back with it is mere speculation. When you flush you let the runoff go to waste..... the way he is suggesting you let the plants bathe in the excess water. What is going...

Sorry it doesn't work that way... soil acts as a retention center for water.... it holds it and sucks it up like a sponge. yes SOME EXCESS DRIPS out but ever hear of OVERWATERING? <<<<< Yes you can do that. This isn't a matter of opinion this is a MATTER OF FACT. -potlike

http://www.turboupload.com/d2rs7qqdo0nu/LYNYRD_SKYNYRD_RIDER.pdf.html -potlike

You also have to take into consideration the Photosynthetic Photon Flux Density of the CFL vs the 1000w hps and 1000's of other variables. -potlike

try ozone generator instead.