uv lighting

Waterbox 320 LX with Radions G6 blue XR30, MP60s and 40s. Very well kept tank is approximately 3 years old. Pickup in West palm beach 33411. • Waterbox Reef LX 320.7 • Motorized custom canopy • 3x Ecotech Marine XR30 G6 Blue • 2x Ecotech Marine MP60 Wavemakers • 2x Ecotech Marine MP40...

I know there are many discussions about needing uv lights in the 385nm range. And manufacturers dont put many UV bulbs in the lights because they are expensive, or so I read. I saw these on Amazon and said for the price, what the heck! Any!! Input on the fact that I mihht burn my corals or are...