This is my first aquarium video. Nothing special except two of my new additions: For several weeks I've kept a Caulastrea and a green-tip hammer coral in quarantine and I decided that it was now safe to introduce them to my tank. The hammer coral I picked up from a local club member. I was expecting a small head of coral, but he handed me a huge deli container with a 4-inch tall frag. It's now the largest piece in my tank and it's ...