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I purchased a 210g aquarium from a person on craigslist. I looked it over before buying and it was holding water just fine because he had it still running. My only concern is what the silicone looks like between the glass pieces. Attached are some photos. Would like to know your thoughts. Sent...

I have a 225 gallon fish tank with a dual center overflow. However the tank also has a hole on either side of the tank driled into the bottom of the tank. The previous owner used the holes as return lines to get flow from the bottom. I need the best way to seal/plug them up. Can I use bulkheads...

I have a montipora cap that has grown from a half dollar size to what it is today however i have noticed that the majority is a lighter red than usual but the edges continue to show signs of growth. Im unsure rather or not the middle of the monti is starting to die. See picture Sent from my...

Im seeing things in my sand bed and I believe they are baby snails. My clean up crew consist of turbo snails, nassarius snails, and a few cerith snails. Has anyone had experience with this or know what they are. I hope they are not flat rooms.

I am looking at purchasing a 90g drilled tank. The tank had two overflows. The previous owner took out one of the black overflow panels which left the two holes on one of the sides. He has sealed the bulk head holes and the tank holds water. My question is should I buy this tank. Will the...

Here is a picture of what he looks like now. He was in the tank for a week hiding and when we found h he was flat and our maroon clown was hosting since day one. I just don't want to pollute the tank. Can he recover or is he done for? Pics are from when I found him and flipped the rock over to...

Ok so we have let our tank mature its 8 months plus. Our nitrates hang out around 4-5 , calcium at420 alk 9 ph 8.1 mg 1320. So we purchased a green bubbletip NEM and as soon as we put him in he attached to a rock and our maroon clown began to host. After the initial entry he moved himself...

I have just added a clam to my tank , he has been in for 2 full days. I have noticed since his addition that my calcium has dropped 20ppm each day . Yesterday evening my test result was 380ppm. My tank had been pretty stable at 420 ppm. I want to start dosing a two part solution to the tank. In...

If I did it correctly I attached a video file to this post. My question is based off the video, is my crocea clam getting to much flow? Also if you have any advice as to what is to much flow and what is the perfect flow? I know the mantle folding in on itself is to much, but any advice on...

Hey everyone I'm getting into chalices and it seems they are the next big thing. Any one here have experience with care requirements and also why do you like chalice corals. What makes them awesome?

I just set up my new reef octopus skimmer 2 days ago. I see that it is starting to pull out dissolved organic s , but its mostly in the neck (yellowish bubbles). Also when I adjust the gate valve I don't really notice a change so my questions are . Once it breaks in which could be 3 weeks will...

My toadstool has spots missing where the polyps don't extend anymore. Could it be getting to much light? Could it be flow ? Do Copepods and ampipods eat on corals ? Specs, ammonia 0 nitrite 0 nitrate 5 ph 8.3 calcium 500 alk 11

My question today is, if I get a tang specifically a yellow eye kole tang should I get a sixline wrasse at the same time? I've read that a wrasse can help control parasites like ich. What do u think and what experience do you all have as far as taking preventative measures with tangs?

Hey everyone, after 6 months of having my tank set up and about a month of having everything switched to a 75g, I decided to purchase a clam. I have a crocea clam its about 3 or 3.5 inches and my question to you all is. Judging by the photos do you think my clam is healthy and doing fine? It's...

I have a tank set up and I am treating my fish for ich. Should I use display tank water for water changes because I am getting high ammonia readings and I don't want to hurt the fish.

Have noticed fuzzy white patches begin to appear on my live rock, does anyone know what this may be?

I set up our 75g to drain over a trickle filter/bio balls then enter the refugium then the skimmer and then it returns to the tank . Is this setup beneficial to the reef??

We Currently have a Midas blenny in a 75g reef and my wife and I would like to get a bi color blenny. Will the Midas pick and nip at the bi color? Anyone have experience with blennies?

We Currently have a Midas blenny in a 75g reef and my wife and I would like to get a bi color blenny. Will the Midas pick and nip at the bi color? Anyone have experience with blennies?

We are in process of setting up a 75 gallon tank. Right now we have a 38 gallon tank. If I were to add my hippo tang and a powder blue tang to the new tank at the same time would they be okay. Or would they be aggressive towards each other because I know the powder blue tang can be aggressive...

Have a metallic green open brain coral. It's been about two weeks, will he extend larger than this. Right now he is in a 38g tank with a 10,000k T5 and a actinic T5 above him. Also is it a good sign that his mouths are wide open. Here are some pics.

I have a 38g tank . I just purchased a moonlight led strip , it's about a foot long and produces 100 lumens. Is this to much light to be left on at night. Also how long should I leave it on??

Have a 38g tank I bought an led strip that is about a foot long. It has 8 blue LEDs that produce 100 lumens . Is this to much light to leave on during the night? What amount of time should they stay on?

Hey everyone I have a Midas blenny and he has been eating formula two flakes and mysis shrimp. He will eat and then spit some up, he has been doing this for the past couple days like he doesn't like it anymore. Could he be getting sick or is there another type of food I should get. If this has...

I was upgrading to a 55 but now i am getting a 75 gallon tank. I currently have a 38g tank. My 38 has been running for a little over 4 months. I would like to take my existing tank and move everything to the new one. But I would like to put the 75g in the same spot. How can I do this??