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I have some new things growing in my tank that I'm not sure what they are. They kinda look like a cross between a featherduster and a hydroid. I have a couple pictures of them here: Are they bad for the tank? If so, any way to get rid of them?

Yeah, I guess that is the last time that I fully trust the advice of my LFS. I went in there looking for a new fish a few months ago and they recommended him. Next time I'll do my research in advance and go in with a specific fish in mind.

I think he may be dead. Some nassarius snails have started getting really close to him and have piled up sand all around him. Almost like they are burying him :cry:

I checked my water parameters 2 days ago and they were the following: Salinity: 1.023 pH: 8.2 Ammonia: 0 Nitrite: 0 Nitrate: 0 Unless he is searching around at night, I don't think he's been eating in the past 24 hours. He's just kinda laying in one corner of the tank. He's still alive...

I've had a Scooter Blenny that has been acting fine for the past 3 months. He hops all over the tank eating copepods and sifting through the sand. Today he has been hanging out in one spot of the tank just laying on the sand. Is this normal behavior? He is alive because he moves every once...

I have a good amount of snails. I haven't counted them in a while, though. I'm sure they get eaten every now and then ;). I scraped the coraline algae off with a razor today. It came off pretty quick and easily. I left the algae in the back of the tank, though. It would be too much of a...

Yeah, ribbons of snail eggs are pretty common. Here's some I found on Google Images:

Thanks so much for all of your help. I'll start scraping them tomorrow. Hopefully they come off easy. Where should my Ca and Alk levels be? I don't have testers for those, so I'm gonna have to pick them up later. I use instant ocean reef crystals, so I thought those would add pretty much...

Sorry it took so long. Here are some pictures:

I believe it is pretty hard. It doesn't come off with the magnetic tank cleaner. I may have to try a scraper or something.

I've got a Firefish, a Scooter Blenny, and a Royal Gramma. My cleanup crew consists of a Mithrax Crab, Dwarf Red and Blue Tipped Hermit Crabs, Turbo Snails, Cerith Snails, and Nassarius Snails. These white circles have appeared in the last couple months, but don't seem to go away like the...

In the past couple months I've been noticing a lot of small white circles appearing on the glass in my saltwater tank. They seem to be forming mostly on the back of the tank and near the sand along the bottom. If I try to scrape them with my magnetic cleaner nothing happens. They are about...

I got a Royal Gramma on Friday and added him to my tank. I didn't get your message in time about quarantining him. He seems pretty healthy, though. When I went into my LFS I asked them what they thought would be a good fish for my tank and they said a Royal Gramma, so they agreed with the...

Thank you for your suggestions! I really like the way the Royal Gramma and Pink Spotted Goby look. Would they both get along with each other and with the Firefish? Any recommended order of adding them to the tank?

I finally got my 40 gallon FOWLR tank stable after a few years. I lost a bunch of fish and time because I did things wrong (too few water changes, bad water, overfeeding, too many additions at once, etc.). I've had an orange Firefish in my tank for 2 months now with no issues and normal tank...

I'll have to search for a good pellet food, then. Thank you for your help :)

Are there any issues with flake food putting bad chemicals in the water such as perservatives? This is my third attempt at setting up a FOWLR tank and I'm trying to do everything right from the start this time (RO/DI water vs tap water, small frequent water changes vs large infrequent water...

I've got a question about the feeding habbits of my new firefish. The firefish is the first and only fish in my tank right now. I've purchased some fresh shrimp from the local supermarket that I've thawed and chopped up to feed her. When I add the shrimp to the water she nips at it a bit and...

I do have my base live rock directly on the ground, I was more worried about the upper tiers falling. The "tunneling" appears to have slowed down a bit. I think it might be some of my hermit crabs because I have discovered them poking around near the newly formed holes. You can see some of...

Do you think the creatures are smart enough to realize when they've gone to far? I'm worried that someday I'm going to wake up with 40 gallons of water on the floor because some creature ate through rock enough for it to fall apart and shatter the glass.

I just recently restarted my FOWLR tank that currently has a few snails, hermit crabs, and a mithrax crab in it. Over the past couple days I swear that my live rock is shrinking or developing "tunnels" in it. Is there anything that can eat through live rock? I didn't think that was possible...

Oh, ok. I looked around at other threads about peanut worms and I wasn't sure if this was one as well. Thanks for the answer!

I recently discovered some sort of large worm thingy in my tank. I haven't had any fish in my tank for about 6 months because I had some major algae issue that killed everything off. I've left the lights off in my tank for those past 6 months to kinda let everything "start over". I was walking...

I used to use tap water when I started my 40 gallon FOWLR tank about 2 1/2 years ago. In this past year I switched over to RO/DI. This helped get rid of about 90% of my algae problems. I'm using the Instant Ocean mix for my salt. My parameters are fairly normal. pH: 8.2 SG: 1.026 Ammonia: 0...

Hello everybody. I had some major problems with my tank and I let it sit for almost 3 months with the lights off and no fish just so it could get rid of some major algae blooms. I did regular water changes, but didn't have any large living creatures in the tank at the time. I did, however, have...