45 watt nano LED

monkey4life

New member
Not the prettiest DIY, but it's been growing everything so far so I figured see what thoughts you guys might have.

These are the PAR 27 LED's spotlights found online for roughly $5-8/ea, coupled with waterproof sockets from the hardware store -$3/ea. Add in some 2" conduit brackets and an old PC fan, plus a 12v power supply from the thrift store, and bingo, a 45watt nano LED fixture for under $30 bucks.

Keep in mind this is not dimmable, and it's very limited on color selection unless you feel inclined to swap out the actual chips on the board. I removed the 'lenses' so that they spread was more acceptable (simple screw cap) They have 5 3 watt led chips per housing. Color is certainly more on the white end, but I plan on adding a blue 5050 stunner strip to see if that balances it out.

I'm using 2 combo bulbs and one cool white bulb (total 4ea 3w blues, 6ea 3w's that look about 12k, and 5ea cool whites)

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Tank (5.5 gallon) for reference to color and intensity. They are sitting roughly 4" above the surface. You could easily swap the cool white bulb for a blue or combo bulb for the deep water look.

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