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I have the same size tank in my living room, but there's only one overflow in the center, unlike most others. For that reason, I arranged the rocks to slope up unevenly towards the center to cover the overflow box. For a reef tank, My favorite inhabitants are clams and the bright softies and...

-update- Before this afternoon, I'd see the wrasse pop out occasionally, for just a moment, then chased quickly back into the rockwork, but does not seem hurt. When I check the tank now, I can see it wedged between two rocks looking at me. It comes out every few minutes until its chased back...

I can't catch the bully. If I do, there's no need to move anything around in the tank. How can I catch it?

A 3" melanarus wrasse jumped from an acclimation box after a day when I left the cover off. In the 120g tank that it jumped into is a 2" PBT that continuously chases the wrasse back into hiding when/if it comes out. The tang has been in the tank for about 2 months along with a yellow tang(added...

-update The tank already has a ~600GPH return pump with a split outlet.

I've decided to install a Hydor Korilia Wavemaker in my 150g reef aquarium. My question is, what 12 volt pump model is recommended on each side if placed in the upper, rear corners of a 4' x 2' x 2' tank full of live rock and mostly soft and LPS corals? (Hydor Koralia 5, 6, 7, or 8)

I just finished setting up a single overflow 150G tank with a 900GPH sump return pump. I got lazy and bought a AGA Mega Flow overflow kit with the loud anti-siphon hole in the 90 degree elbow. Can I drill a new hole in the pipe below the tank waterline and/or overflow waterline, and plug the...

I just bought a new 4' long 150g tank without a canopy. What are some of the favorite LED fixtures to mount or hang over a tank full of clams? Also, I have a 14000k 250w MH bulb over my older tank that makes a great shimmer effect. Do LED lights make a stronger, weaker, or just a similar...

How many different clams, if any, do you keep in your tank?

I have a 55g tank and I've used about half the recommended dose once a week now. Monday morning(8/29/2011) was when I added it for the 3rd time, and the next day is when things didn't "wake up". Only 2 of 6 small lps corals, and maybe 5 different snails died. Everything else, including all the...

I bought some Marine Snow invertebrate food about 3 weeks ago and started using it intermittently. Now, 2 days after using just a small dose for the third time, a few corals, some snails, and an urchin are dying or dead. I know that I'm supposed to provide tank parameters and such, but I'm...

I have an Outer Orbit hanging light fixture from Current. The 150w MH bulb just isn't bright enough anymore so I'm thinking about changing the ballast to a 250 watt. Can I do this by just replacing it and the bulb, or does the fixture and/or other parts need to be replaced as well?

To the home depot I go then. Some of the patches are just so big, it'll still take such a long time. Maybe I'll try a hard toothbrush if I get bored or tired. Thanks for the idea that I would never have thought of!

Has anyone tried covering the rocks with fabric of some kind? I don't care if some xenia or mushrooms die.

There is also 2 peppermint and a pistol shrimp in the 90g tank.

How can I get rid of some parazoanthus gracilis' or yellow colony polyps? They used to look nice about 7 or 8 years ago, but they've slowly taken over about half of the rocks in the tank. I've stacked and laid many different things over top of them and spent hours with knifes and tweezers...