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My engineer gobies just had a bunch of babies. Maybe 20 or so. Anybody know what I could try to feed them? Thanks.

My toadstool polyps used to be open all day and close at night. Now they are open at night and closed during the day. Any thoughts?

Anyone have any good ideas for making your own mounting brackets for the Tunze Stream 6000. I have 1" thick acryilc (so the magnet won't work) with a covered top with cutouts. The bracket that comes with the powerhead doesn't really work.

Can a fish have parasites without visible symptoms? My fish are all dying, a few yesterday, a few today. They have labored breathing for a little while, and then just die. I don't see any visible sign of Ich or Velvet. Is it possible that they have some sort of other parasite that doesn't have...

what's the best foods, or combination of foods, to feed a wide variety of soft and hard corals?

Please help, Every 2-3 days all of my corals (hard and soft), anemones, mushrooms, and inverts close up and look sick (and star polyps retract) and my ORP drops 25-40 pts. During that time, any fish that I add to the tank dies. There seems to be some sort of 2-3 day cycle that the tank is going...

Please help, I have a large tank. 450 gallons. All of my fish have died over the past 3 weeks. They seem lethargic for 4-5 days and then die. Usually seem like they need air. No visible ICK spots. I think it might be bactieral. All of my intervertebrates are fine, including my corals, clams and...

How sensitive to Nitrates are Pagoda Cup Corals? My other LPS and leathers are doing fine but my Pagoda Cup polyps wont extend. Bought it a couple of months ago. About a month ago I took it out and put it in a separate tank with new saltwater and just a small power compact and the polyps...

What's the best type of macro-algae (or combination of algaes) to put in a fuge for nuturient export--in particular i need to KEEP MY NITRATES from getting out of control, which has been difficult even after reducing feedings and bio-load and doing frequent water changes. Any ideas. Thanks.

I have a new purple/black cucke that has hidden under a rock. He's about 7" long. His back half seems to be dissintegrating but his front half seems to be alive. This has been going on for about a week now. Any thoughts on what to do. Remove and discard? Leave it alone and see what happens? If I...

Can anyone ID this for me please. It was a hitchhiker as far as I can tell. It's got a long snout looking protrusion but's it's not a nassarius. Someone told me that this guy might be aggressive. Any thoughts? Should I toss it or leave it alone? Thanks.

I have a Crocea clam with what looks like two barnacles growing on it near the top of shell/mantel. The barnacle looking things exude a copious amount of slime that forms a kind of slime net down current. The slime also gets on the clam, but he (she?) doesn't seem to mind at all. Any idea what...