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I just got a Vortech MP40 for my 90 gal tank, does anyone know what mode is best to use and at what pump speed? I'm hearing that the Reef Crest mode is better if you only got one vortech, any suggestions? thanks

I'm kind of ignorant with terminology, what is a cuc?

Never heard of a Conch being used, what exactly are you talking about?

I have a 90 gal tank, 6 fish, quite a few more corals than fish. For the past year, I have been doing 10 gal water changes every two, two and a half weeks. The tank is doing good, fish are healthy, but the sand is getting pretty nasty now, and I'm thinking, not just because of the sand but...

Thanks, I'll do that. I've had that aiptasia before, I get rid of it but they keep coming back.

Can anyone tell me what the red thing is next to the zoas ( I think that's what they are called, I'm not good with names) Anyways, some of the zoas died off and after a while, this red thing showed up, it's gotten bigger now, I have no idea what it is or how it got there, at first I thought it...

Thanks, I'll try that.

I have several of these things growing in my tank, it started out with one, now I have about 4 or 5 that I can see. Although some may look slightly different, they all have those hairy extensions. Can anybody tell me what this is? It's pretty ugly looking, and I'm wondering if they are harmful...

Even if you put them in at the same time?

Is a 90 gal too small for 3 (small) yellow tangs? I also have 1 clownfish and 3 chromis. How big and how fast do they grow? Thanks

Here's another pic, bug about the middle of the picture, thanks

I just looked at the clam again and I see the little bugs are back crawling all over him. He's still closed, I tried the freshwater dip but obviously it didn't work, bugs are back. I'm posting a pic, there is actually two bugs that are visible toward the center of the picture. Any ideas how...

Thanks for the replies. Actually, I read something about tiny critters called amphipods and copepods which most of the times they say are harmless, I did rinse the clam in freshwater and I actually saw all the little critters fall off the clam. Anyways, I put him back on the rock, and it...

I got a clam that has been closed the last couple of days, also I saw some little critters crawling all over it, they don't look like bristle worms, actually, they are pretty small, don't have a clue what they may be, can these things eat the clam and eventually kill it? Thanks

I don't know what kind of clam it is, I'm attaching a picture. If you can tell me what kind it is and where I should place it, also what I should feed it etc., thanks a lot

I just got a clam coral. I placed it on the sand in the bottom of the tank (90 gal). I have a 48" solar extreme T5 which is on about 9 hours a day. I don't know much about clams, can anyone advise if I placed it correctly and with sufficient lighting? I usually target feed 2-3 times a week...

2 10000K daylight lamps, 2 T5 actinic, and LED moonlights (48" solar xtreme), 8 hrs on

I got this coral, it may be some kind of hammer coral, I don't know, I'm not too familiar with names, it's pretty nice, but within the last couple of days, I've been noticing some white specs all over it, and the bottom tentacles look as if they are closed. Any ideas? I'm attaching a picture of...

I have 2 koralia 750 gph but have only been using one. Corals are doing good, but I'm wondering, it seems most everybody uses multiple powerheads

I have a 90 gal tank with two powerheads, I have only been using one, my corals are mostly moderate current types, but I would like to add the second one to change up the flow a little. What is the best way to do this? Someone mentioned timers, but I need to know every how often should they...