How I Backlit Quartzite Countertops / The Wiring / What I Used / LED RGBW Crystallo Sunset 

Parts used
Counter build list
White LEDs (back up lights)
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RGB Strips (addressable LEDs with both whites)
amzn.to/3YAAGFS
Acrylic rods (spacing counters)
amzn.to/3yDtUEv
Signal wires (controller to RGBW Strips)
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Variable Power Supply
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360 watt power supply (not adjustable)
amzn.to/3WUSOck
Blue tooth remote & controller for RGBW strips
amzn.to/3YBRYSX
Counters
Granite Now
Crystallo Sunset 3CM Quartzite