toxins in tank

My corals seem to close up in the evening, morning and at night. They don't just close up normally but completely. A torch will show skeleton when closed. The corals seem to close for about one minute and then try to open again. Same goes for at night because corals don't close completely at...

While I was cleaning my Fowler 160 gallon 40 gallon sump. I turned my ice cap in sump scrubber pump off but left the light on so I could see to vacuum the sump. I left it on for the entire time that I was doing my water changes and cleaning some algae off of the rocks. While refilling I noticed...

I am really devastated. I have been working on creating a sustainable ecosystem (indo/central pacific and heavily Hawaiian islands) with my saltwater tank. I want to breed a variety of specific hard to get species so that the aquarium trade doesn’t continue to have such devastating effects...