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Clip Nori to the tank always have some for him to graze, and feed more often. I feed 2-3 times a day. I have no water issues, I also know people who feed once a week and the fish like that. I prefer fat and happy fish. Mysis , cyclopeeze, etc. Not just flakes. Not saying that's what you have...

It depends on what your are trying to grow? Light spectrum is very tricky, You will loose 50% of the lights PAR in the 1st 6" of the water column. So if you are hanging them that high and still have to penetrate 18" of water. Very little usuable light spectrum will be left at that depth. Do you...

How often do you feed? Is there Nori available for him to graze on all the time. Concave belly = starving.

I deleted that part. Who I am to say that I think you need glass protection over your tank from exploding bulbs by some happenstance. If you don't want to, don't do it. I would never offer that to someone starting this hobby. If others wish to, fine. I personally think that is poor advice, but...

Originally Posted by ReefNut As Bang Guy already explained single ended bulbs already have UV protection. I'm not sure why water would splash up 8" or so but if it did there's a possibility it could shatter. I personally ran 2-400w MHs for over three years with no protection and never had one...

Originally Posted by Jupoc911 78 degrees imo is not the best temperature. If you read through borneman's book you will be shocked to see that the average reef temp is 82 degrees. Tell you what. I am diving with Eric Borneman on Thursday. I am picking him up and will be with him for 3 days. I...

razor blade always worked for me. How big is the tank? Cause you can pick up used one for nothing. Also the freshwater tank will not be reef ready. You will have to drill it. Todd

Really it is based on the type of corals and depth of the tank. With a 90G you will need at least 250w MH to get the PAR rating to keep corals alive. Unless you just have them on the very top. That would be boring. I have a 90, I had (2) 150W MH's, it wasn't cutting it. It kept softies alive...

Kill it. you don't want it to spread. Looks like aptasia to me. Only anemone in the tank are the ones we put in there.

Let's get back to the glass shield. You most certainly do need one. Tempered, with UV protection. Which I think tempered gives you. You can not use MH without that. You will burn the corals. Also single ended without glass shield = very bad idea. I am not sure that the glass bulb has UV...

Thomas I agree. Now down here in Atlanta, I do not know anyone who has a reef tank that has Bio-balls. We are 300 people strong in our club. In fact I would say the vast majority 90% have fuges. It is only logical. Even with a sump. throw a light on it. throw in rocks, next thing your putting in...

I feel you are still resisting throwing the Bio-balls away... :thinking: Let them go. Trust us they are not needed. Why do you want to constantly clean something that is not needed in a reef tank? Live rock and a refugium is all ya need.

I checked my books...if it has a long trunk like you state. He could be a cone snail. Very bad and deadly. don't touch him.. do research on it first. hard for me to tell though need a closer picture. The shell doesn't quite match a cone snail. or it's a fighting conch. :notsure: Todd

Sounds happy then. If he withdraws quickly - good. He is out - good. He is fine.

Here Here!!! :cheer: I thought I was the only one here who hates Bio-balls..

Classic problem that some people over look. Clean any sponges in the filter system, Floss, Bio-balls, etc. If he has media bags with carbon, etc. Is that a possibility? Todd

I do nothing for it and it keeps growing and budding. It sweepers kill everything around it. I personally hate the thing. I kept it 6 inches away from everything but within a month, that wasn't far enough. If nothing in your tank- ok. It's cool towatch the sweepers looking for stuff. But if you...

I have 10 clams in my 90 gallon. Where to begin. First off the Derasa or the Sqamosa is the best for low level lights. Croceas need butt loads of light so do Giga's and Maxima's. You may have enough light now to keep them but keep them up high on the rocks. Get them a nice flat spot to attach...

I am going to help you out major here. Get a Sea Hare. Let me tell you, I put one in my tank and the next morning I would say 30% was gone. by the week the tank was 100% hair algea free. And do water changes. Sea Hare are the best!!

See other thread about them..I say yes, put them in the tank.