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So, the last couple of days, my Euphyllia is acting up a bit. I am not sure if it is not feeling well, or if it could be splitting or perhaps something else I am not aware of. What do you guys and girls think/suggest? This morning The afternoon As for parameters, only thing that is slightly elevated is my phosphate, since I am trying to balance out my chemistry some more. Other then that, my latest paramaters, before the water change last monday.  Ammonia: 0ppm Nitrite: 0ppm Nitrate: ~10ppm Phosphate: .35 PH: 8.1-8.2 dKH: ~10.5 Calcium: 460 Salinity: 1.025 Temp: 77 Could it be preserving energy? Is it dying? I don't see any little critters, nor brownish goo, or zooxanthellae being expelled or whatsoever. It's been doing this for about 3 to 4 days now. Did a 25% waterchange on monday, to see if that would help out, so far it seems not to. Other corals and livestock seem to be ok and active and I haven't changed anything particular lately. Curious what you guys think could be going on 🤔.

Hello guys, About two years ago, I picked up a green rhodactis mushroom from the reef store. As soon as I put it in my tank, it spread out very wide and became very colorful. I continued to love the coral, and it kept growing until it doubled in size and became as large as the palm of my hand. It kept on flourishing and growing like this for about a year. Then, I noticed it wasn't coming out as much and I took some observations and did some research and found out that it was going to split, and it did. So then there were two mushrooms, but it just continued to go downhill from there. They shrank very gradually and lost their color, but I figured it was just a small phase and did nothing about it. Now, a year later, one of them has disintegrated, and I have one left about the size of a penny. It's not colorful anymore. I miss how it was two years ago 😭 Water parameters have not drastically changed at all, I just don't know what's wrong. Please help

hi all i was just wondering if anybody could tell me if the green polyp is a pest polyp or not. thanks!

Hey all, I am new to this forum so forgive me if this is in the wrong place. I recently started my 28 gallon JBJ Nano cube. I have 20 pounds of live rock and 8-9 pounds of dry rock. I added the dry rock just last week and I am about a month and a half into my tank. I also have 20 pounds of live sand. I let it cycle with just the 20 pounds of live rock and 20 pounds live sand for a week, then threw in a maroon clown to help produce some waste in the tank and "kickstart" a cycle, if there was going to be any due to my live rock and live sand. I didn't see much of a cycle at all, but after the 2nd week of having the tank, I started noticing this stuff growing on my rock and it just seems to have slowly sprouted onto other parts of the rock. I have been told many different things that it could be: Caulerpa, Halimeda, Hair algae, seaweed. I just want to finally figure out what it is, so I'm turning to you guys on this forum! Please and thank you!