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I moved the Candycane coral to the top of the reef in an area not being hammered with flow. The polyps weren't able to tolerate that pressure and tissue was peeling away. I'm expecting it to recover nicely.

Acropora millepora. I was trying to show the skin of the coral as well as some polyps.

This yellow hammer coral was given to me recently since it was declining in another ...

I love this first chalice, especially under 20,000K lighting.

This green and blue one is doing quite well.

A little frag was gifted to me by popular vote on DFWMAS, and this is the actual color of the tissue. I used a flash to keep the color honest.

This little guy is amazing. You ...

I don't know how Day 90 snuck past me, but what's another day when it comes to reefkeeping?
Shot under actinics and 20,000K Metal Halides moments ago.

At the club meeting last night, I did a presentation on measuring PAR in our reef tanks and why it has value, regardless of the type of lighting choices we employ. I do try to focus on daylight spectrum more than 20,000 Kelvin, because PAR meters are designed to measure sunlight and not the blue spectrum.

Here's the PAR measurement of the frag tank. The light is a Reefkoi Evolution LED fixture that is three years old. The numbers are:
0" - measurement at the surface of the ...

Back in December, I purchased what I figured was a Green Slimer acropora. It's a coral I've always wanted to grow out, but due to the tank leaks over the past couple of years previous attempts were foiled. As it has been growing out, it is turning out to be a different coral. The blue hue in the skin is never seen on slimers.

Here's the coral the day I brought it home.

Here it is today. I took these pictures when the light above ...