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Correct me if I am wrong but I am under the impression that Live rock is needed for biological filtration. Are there any other reasons there would be a need for live rock? Why do you need at least 1 to 2 lbs per gallon? Are there filtration systems using bio balls which can take the place of...

Since yesterday, my fish are showing signs of disease. The yellow tang has a white powdery coating and the clown fish has the same coating. The clown is acting funny and both fish keep swimming into the current of the power head. The yellow tang is utilizing the cleaner shrimp, the clown is...

I am using all RO water but not RODI and I am cleaning the prefilter sponge with tapwater. Also my livestock right now is a small yellow tang, a clownfish, a cleaner shrimp, a small hermit crab and a dime size emerald crab. Also I know my live rock is insufficiant at around 20lbs or so.

I have had a rough start with the hobby of saltwater fishkeeping. I am the first to admit I went into this hobby blindly and listened to some of the wrong people without doing research for myself. I want to say thanks for the help I have been given on this site because a lot of information...

The cup hasnt been cleaned in a while and I got about a half inch in about three days in the jug.

Here are some pics of the sump and skimmer.

I have a sump which has a built in protien skimmer and I am not so sure it is any good. I have no idea what the brand of this sump is. I had used a coralife superskimmer for a couple months in the past and it seemed to work a lot better. The skimmer built in the sump is small. Enough to fit in...

The sump has no brand and is made by a local business. It is probably about fifteen gallons and has a built in skimmer if that describes it any. My tank has been extremely clean since getting everything right and havent had any flooding problems. One thing that does bother me is the overflow...

I have a 46 bowfront with a sump filter which has a 1000gph return pump and was wondering if this is over kill and or if too much water movement in the tank will cause any future problems with my fish. So far so good as far as I can see. Thanks.

The skimmer I am using is one that came built into my sump setup. Seems kinda generic.?? I was told that a uv sterilizer would prevent algae, and if this is true, I think I am going to buy one. Just wondering because I have a 1000gph pump and was wondering if I should get one that is rated...

The tangs are still small and I plan to replace them once they outgrow the tank, I also Have a clown fish and a flame angel along with a cleaner shrimp and one emerald crab. Today I am in the process of a 70 percent water change due to my water being green. I am using ro water and coralife...

I have a daily growth of algae which covers everything and is green in color. I suppose the logical source would be the freeze dried sheets I feed my tangs. I am using a 46 gallon with about 20lbs of live rock, half inch sand bed. Phosphates are zero nitrates are low but not where I would...

First, I would like to thank everyone for their helpful info. As mentioned, my anenome is not doing very well. I just added a 200 watt light, another two lbs live rock, Definatly keeping the sump, removed the bio balls and did a ten gallon water change. Cleaned out the skimmer and replaced...

I figure I have way too many fish for the size tank. I have a yellow tang, a powder brown tang, a small yellow tail damsle, a black and white striped damsle, a domino damsel??, a clown fish, a blue/green chromis, a cleaner shrimp, a flame angel, a turbo snail, a small emerald crab a hermit...

Ok, I did some water testing and found my ammonia is at 0.25 my NO2 is 0.1 NO3 is 250 High and 50 low.

I am using a three stage RO filter. Also I just returned from the store with phosphate remover. I put it in a mesh bag inside the sump. I read my phosphate 4 level at 0.2 and my ph seems high at 8.5. I Replaced my filter floss pad which seemed pretty bad after using it for three weeks now...

I have a 46 gallon bowfront aquarium which I started off using a fluval 205 canister filter. My water was very poor quality, turned brown after about three or four days, then I was advised not to use tap water so I purchased a reverse osmosis filter and did a complete water change. Throughout...