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My hobby is keeping saltwater chemically balanced in a glass cube. Adding fish, invertibrates, corals, and sand makes it a real challenge. "If riding in an airplane is called flying, why isn't riding in a boat called swimming?"

OK the deed is done. 5 units of white vinegar injected into each one with an insulin syringe did the trick. After researching majano anenomes online, it appears thats what it was. The important thing is my clown, gobie, jawfish, chromis, peppermint shrimp, hermits, and snails seem totally...

Ok thanks.

I looked at it in the dark with a flashlight early this morning and the tentacles were extended 3 or 4 times as far as they are in daylight. I don't know if that means anything. Hey if these guys aren't a problem, I'll let them be. I just don't want 500 of them and having them killing...

I'm pretty sure this is aptasia but I want to be sure. I realize I'm a newbie, but I feel really stupid that I've been admiring these "polyps" for a couple of weeks, when I should have done a little research instead. Also these brown fuzzy areas have popped up recently. Is this what aptasia...

Heres a thought about how you could increase the efficiency of the fixture. If the entire interior of the box had a reflective surface, the light efficiency would be increased, require fewer or less powerful lights. This would decrease the amount of heat to be dissapated and act like a heat...

Finished product with chaeto Ok, here is the finished project. I fabricated a clipon eggcrate to hold down the vegetation. It has a tendency to float. All the lights were out in the room. You can see how well the chaeto is illuminated.

Refugium light installed Ok, here's a shot of the "wall wart" power supply and the fixture being bench tested. I left it on for about 16 hours. With everything working flawlessly, I bit the bullet and cut a window into the center rear chamber on my Nano Cube, and installed the light...

I'm doing a burn in test on the bench to make sure there isn't any heat dissapation issues with the fixture or the power supply before I modify my tank. If all goes well, I'll probably install it tonight and I'll post pictures of that. So far after over 12 hours solid running time, the LEDs...

I've got a 24 gal Nano Cube and I would grow chaeto in one of the built in chambers in the back of the tank. I've seen pictures of projects where a window of the black vinyl was cut away from the tank, exposing the clear acrylic so that a light source behind the tank could get to the vegetation...

Yeah Kurt, I think you may be right. After repeatedly observing the goings on in the tank I noticed a larger hermit sporting one of the turbo snail shells. I didn't realize I had one big enough to handle a shell that large and heavy. Sure enough a short while later I caught him on top of a...

I have a dozen or so different size shells to accomodate the crabs. No pistol shrimp or mantis.

They are not molts. I am finding empty shells. The entire front end of the crab is intact. These are small Carribean red leggers. I've seen Zebras do this. I have 2 sons that have been in the hobby for a while. We bought 18 crabs and put 6 of them in my tank. He's not having these issues...

I'm new to this hobby. My 24 gallon Nano Cube has been populated for about 3 weeks since it finished cycling. Most of what is in the tank came from a 20 gallon established tank, so I have some nice live rock with pulsing xenas, mushrooms, a few brown polyps and coraline. I have a small white...

Yes, I believe that's it. Thank you. They seemed to come out of nowhere suddenly and are growing everywhere--even the stems of my candy canes! I've read earlier posts on this subject now (I should have done this in the first place), so I'm not so freaked out. Thank you for your help. This is...

My 20 gallon tank is suddenly getting taken over by some sort of white specks. They are on the back of the tank, on powerheads, live rock, and even corals. Anyone have any ideas as to what they are, and how to get rid of them? I have a couple of pictures posted in the gallery. The water...