Salty Q&A: Acropora Bleaching Fast!

Question I just introduced an Acropora to my 65-gallon reef tank, and it’s already starting to bleach on me. I’d say about one-quarter to one-third of the colony has already bleached, and it’s been in the tank less than a week. This is my first acro. Apart from it, I have several different varieties of … [Read More]

6 Ways to Prevent Photoshock in Aquarium Corals

Many of the corals and other sessile invertebrates we keep in reef aquariums are considered “photosynthetic,” meaning much of their nutrition is produced by photosynthetic algae (zooxanthellae) residing in their tissues. Thus, there is a direct link between the type and intensity of a reef aquarium’s lighting and the health—or even survival—of the corals and … [Read More]