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Old 03-23-2005, 02:22 PM   #1
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4 Tangs in 125 gallon reef too much ?

A friend of mine has 4 Tangs among other fish in a 125 reef tank - He thinks the Tangs are creating too much phosphate because the tank isn't doing too well right now

Do you thing 4 Tangs is too much for this size tank?

Thanks in advance.

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Old 03-23-2005, 02:58 PM   #2
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Simple answer....yep.

To my knowledge, fish dont produce phosphates, but their food contains it. But, they do produce alot of waste, and the tank may not be able to handle it. How hold is the tank and what is the fitration set up.

Either way, he needs to get rid of at least two if not three of the tangs.


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Old 03-23-2005, 03:22 PM   #3
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Tangs are MESSY fish! Have you ever seen them poop?! Yowza! Too much phosphate though is more a factor of the type of food he's feeding and possibly his water source. I'm on the road to 2 tangs in my 120. I can't imagine 4 of them in there (I wish it was acceptable though because I'd love 4 of them). Has he tried phosban or some similar phosphate aborbing thing to get rid of the phospates? Tested his RO/DI? Draining the liquid off of frozen foods? Those are good places to start. Do the 4 tangs get along? Which 4 does he have?

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Old 03-23-2005, 04:57 PM   #4
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fish aren't a source of phosphate, IIRC. too many fish (overstocked) would result in ammonia and nintrate buildup. Phosphates can come from either a bad water supply or cheap foods. Frozen foods often contain phosphates and is why many thaw frozen food in seperate containers, then strain before putting it in the tank.. I will dissagree that he needs to get rid of the tangs. Of course.. what kind of "tangs" are they? 4 yellow tangs in a 120 would be fine.. but that too would depend on exactly what "among other fish" means. Specifics can help us a great deal in answering more clearly.
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125 gallon, 25 gallon, 5 gallon, reef, tan, tang

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