22 Comments

  1. I'm looking for a new led grow light that puts out some heat but doesn't get my box up to 100°f and I would like to get away from the purple light.
    Also I don't want to sacrifice things for less power consumption. But my 500 watt led is too much power

  2. Please Test the "CF Grow" LED Light from Amazon 200w CXB3590 x2 . Ich think its fine. Good components :Cree cxb3590 / meanwell Driver / Weco connectors /ideal holders and 90 ° Lens.

  3. What can a 9 watt Red and Blue L.ED grow ?? I have one in a lizard tank above some plants that seem to not be doing to well .. How high from plants should I keep it ?

  4. I have been using regular household LED bulbs for a couple years in a mix of 3500, 5000 and 6500k, with about 20 watt power draw per cubic foot of grow space with about 1600 lumens per sq foot about 6-15 inches above the plants. and have good results for starting seedlings, and for plants like lettuce, basil, green onions, cilantro, and even radishes. Fixtures, wiring, and bulbs cost a total of about $5 per sq foot of coverage. This year, I'm going to try to grow to fruiting stage both peppers and tomatoes and determine the cost when growing taller plants in more cubic feet. I am setting up a (dimmable) 260 watt power draw rack of LED tubes making about 30,000 lumens maximum with 4 foot tubes and hope to get about 18 square feet of 4-5 foot tall tomatoes and peppers. Cost is about $90 and I expect pretty good results. I will start at about 1/3 power and increase as the plants grow and I have to raise the lights.

    . For me, it is cost- I can supply double the wattage drawn with bulbs and fixtures at less than 1/2 the cost compared to quality dedicated 'grow' lights. It would take many years of use to end up with the cost of using the extra electricity to make up for the extra cost of any decent grow fixture on the market. If I provide more wattage or lumens, it seems like the plants will end up with enough light in the spectrums they need cheaper even if I end up with more of what they don't need.

    When you have a product that consumers can ADD to the regular lights they can buy anywhere to illuminate their homes, you will have a product that millions could buy. If you made a LED bulb that just filled the shortfall that 'regular' bulbs don't supply, you would have hit. Consumers don't need an expensive product to produce the same light a cheap shoplight produces. All we need is a light the produces what the cheap lights don't already produce. If I can use two double lamp 4 foot led fixtures from Walmart for $16 each, or even less on Amazon,and one 4 foot tube single lamp in between them to supply what the cheap lamps don't provide, , or to balance out the % of blue/red, I would pay for it.
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