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After 6-8 months of doing great, this sponge started to decline and I haven't been able to reverse decline even though I've given it more flow (but still not heavy). Any ideas?

It is not normal to order 23 button frags on ---- when one is, fundamentally, broke, merely because the pictures look pretty. It is not normal to come home before a night on the town and find said 23 button frags on your doorstep. It is not normal to come home at 11 pm after said night on the...

Just wanted to post an endorsement for peppermints when it comes to dealing with aiptasia. I had a nasty outbreak in my 90g and applications of joe's juice killed individuals but they kept coming back in waves. Ordered 5 peppermints and within a week of their arrival every single aiptasia (and...

So I have this 12g microreef which has one fish (red-headed goby, less than 1" long) and one crab (sally, about 2" across). I thought sallys were supposed to be safe tankmates, but a knowledgeable guy at a good lfs told me that ANY crab is opportunistic and can get a fish if he is big enough...

So I have a leather near the bottom of a 24" tank that has lost a lot of his color but still seems to be doing OK for the past six months. Is there anyway to bring back that color? Ideas I had were to move him up higher in the tank where he'd both get more light, more water movement and less...

My 3 bigger reef tanks all have these CPR hang-on refugiums. One has done very well, creating a real diverse fauna and flora, while another has struggled, with some sickly macros and a lot of hair algae. The third is somewhere in between... So I'm trying to figure out why. My questions are: --...

I first noticed this brownish red algae growing in one of my tanks about six months ago. It was handsome, like a very low, deep-red fuzz, and I didn't think much about it. Now it has covered nearly all the rock in that tank and has spread to another tank. I'm not sure whether to be concerned. A...

I'm baffled and thought maybe somebody here could help me. Here's my deal: After having successfully kept alive a 36g reef, I successfully started a 12g mini and a 55g reef. All three have been stable for over a year now. Then, six months ago, I got the not-so-bright idea to start a new tank --...

I've just put a small ocellaris in a 90g with a condi anemone. both have been healthy for months but living in separate tanks. Here's my question: So far the clown has stayed firmly away from the anemone. Does this mean they aren't going to hit it off well, or is there a period usually where...

It all looks the same kind of... :confused:

I'm setting up a 90g 4' tank. The first resident will be a flame angel I have in a smaller tank. After that here are some of the fish I'm considering to add over time: yellow tang fairy wrasse midas blennie yellow longnosed butterfly snowflake eel bartlett's anthias Wondering if folks this is...

I'm setting up a 90g 4' reef tank. The first resident will be a flame angel I have in a smaller tank. After that here are some of the fish I'm considering to add over time: yellow tang fairy wrasse midas blennie yellow longnosed butterfly snowflake eel bartlett's anthias Wondering if folks this...

A few hours after feeding my very healthy (or so I thought) 2 or 3-year-old yellow tang, I found him clutched in an anemone, dead, with an emerald crab cutting a hole in him. I was really quite shocked. He was gloriously yellow, no lateral line problems, always calm and stately, a good...

I am so bummed. I got two fish in the past month (from this site) and one died within a week and the other with in three weeks. Not good. Now I'm trying to figure out why. Here's some facts: -- the fish that died were a fridmani and a royal gramma. the former went missing, the latter expired on...

if i was to keep my 250w 10,000K MH pendant but get a bigger tank (currently at 36), what would the max dimensions to have effective lighting for anemones, polyps, mushrooms and other "easy" corals?

I want to take an existing 36g and transport its inhabitants into a larger tank. The current substrate (maybe 4") is close to two years old and riddled with all manner of colorful bacteria, etc. Do I want to try and move that over to the new tank or start fresh? What kind of problems can I...

there's a beautiful blue one at the lfs. anybody have strong feelings about them in reef tanks either way? thx.

my lfs has a darling little snowflake eel I'd like for my reef, but I read that eels in general like to leave the tank. I have an open-top tank and it would be nearly impossible to eel-proof it. Should I give up the dream?

So I thought the temperature of one's reef wasn't too controversial -- the books I have said 80-84 degrees F was about ideal. Now I find that my lfs likes 79, a prominant online site recommends 72-78, etc. I have one tank at 79 and the other at 82. So far so good with both. Any thoughts...

The Mystery: At some point over the last few weeks, I have apparently lost two camelback shrimp, a fire shrimp and an arrow crab. Now I am trying to figure out why. Here are my water specs, which are not ideal, I don't think, but have resisted a 25 % water change and various waiting and...