lighting upgrade

I’ll start off by saying I did a quick search and didn’t find any threads that were helpful for my needs. But I don’t mind at all if someone just points my in the direction of one if this has already been answered. So as the title says, I’m adding lights to my existing reef tank and I need a...

I've recently gotten a 190 gallon aquarium up and running with a 6 bulb T5 fixture on top of it, and I plan on introducing corals. My issue is deciding when, and one factor, I'm hoping this forum can help resolve, is my lighting situation. Since this fixture isn't dimmable, I can't dial the...

I have a maxspect razor r420r and I'm getting ready to order (2) Orphek OR3, 36 inch LEDs. I was going to get one sky blue and one uv/violet LEDs, but Orphek doesn't have the new OR3 uv/violet strip yet. The newer OR3 sky blue now has uv and violet LEDs on the strip. Now finally the question lol...