Help me decide a DIY led light

[sutton6989]

Hey guys I'm building a DIY led light for a 72 bow front tank. Keeping mostly sps. Its 48" long and I believe 21" deep. It does have a center brace so I'm doing 2 heatsinks. About 12"x10".

How many leds would I need for keeping sps? I'm planning on a 14-16k look with full spectrum. What colors and how many would you use for a sps reef?
What optics should I use if the leds are about 6-8" off the water?
What par readings should I be shooting for?

Sorry for all the questions.. I see beautiful tanks on here with leds and need some help. Thanks everyone

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[Eckolancer]

Look up my led builds to get an idea. Honestly for only 21" deep I say no optics. Im running mine without optics on a 28" deep right now with great growth. My heat sinks are 6 x 20" from rapid. Keep this in mind whites grow coral, blue looks good to us, color leds give the coral the coloration to look good.


Sent from inside the shark tank!