browning

Firstly, I am not facing any issues with browning in my tank at the moment as I am just curious. Now if burnt tips is caused the lack of production from zooxanthellae paired with excessive skeleton growth. And if browning is due to overproduction of zooxanthellae (I'm guessing that there would...

Hi All, My tank is 75g with a 20g sump. It's been up and running for over 3 years, but there was a major crash over a year ago (killing 95% of my coral and all of my fish). I've been keeping LPS and zoas fine for some time and I've added SPS a couple of months ago. The SPS so far have been...

Hello, this tank is around 5 months old, went through the various algae blooms, one happened because i got sick and couldn’t take care of the tank (someone else fed the tank). Well at the same time my ato decided it didn’t wanna work anymore and my salinity shot up and killed 2 of my corals with...

I have recently set up a new tank with cycled water and have moved all livestock into it. My leatherback toadstool is not looking too good, and has seemed to crumple up, brown out, and have algae grow on it for the past four days or so (see pics attached). The tissue seems to be shrunken about...

Background Classification All of the hard corals fall under the order, Scleractinia, which falls under the subclass Hexacorallia. Hexacorallia is under the class, Anthozoa, within the phylum, Cnidaria. So, when we talk about SPS coral, some people say, "small polyp stony" coral, while others...

Okay, so my tank is approximately 8 months old now. It is a IM20 and I do weekly 2.5 to 5 gallon water changes. Approximately 20 lbs of rock. I has been very solid and I am extremely OCD about EVERYTHING. I mean everything! From testing almost daily, logging daily, cleaning, feeding, etc...