toxins

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...

The question is simple. For those keeping "mixed" reefs, do you find that cutting leathers causes trouble? I've always heard leather corals produce toxins to create space for themselves. This is well known and understood (scientifically). The jury seems confused however on whether these toxins...

Hello, I am looking for some feedback on SPS corals (and tank in general) after battling a dino outbreak. 1 year old tank (112 gallon)....full parameters below. Had a substantial dino outbreak/plague. Humbling but rolled with the punches as I knew that, being new to the hobby, there would be...

I just saw the article in the news and saw it on fox news that a family and their dogs were poisoned by coral from their fish tank. Has anyone had this problem and if so to what degree? they seem to think it was from zoanthids... The CDC stated: According to Centers for Disease Control and...

Anyone had experience with large leather causing things to get mad or die inexplicably in their system? I had an 'event' last week that correlated with a water change although no swings were measured. *Even temperature. I noticed some viscous bubbles in the sump that looked like someone spit...

All of my acans' tissue has been retracted for the past two days - all acans at the same time and only the acans - without any change in lighting or water parameters and I am wondering if it could be due to soft coral chemical warfare. Does anyone have any thoughts or references on the subject...

With winter coming along people are starting to break out the fire places. Is it okay to use the fire places and are there any concerns when using it? My fish tank is in my bedroom and the fire place is in the living room. Is there anything to worry about or is it fine?