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MrAnderson

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How much LR do you have? I know you said it was packed, but I was wondering how much...

From my experience (however limited) and reading, I figure about 1-2lbs live rock per gallon is appropriate for adequate denitrification (the conversion of nitrate to free nitrogen). To be on the safe side a 120 gal tank would therefore need around 200 lbs of LR, assuming that you intended for it to be your main/sole nitrate eliminating method.

If you add enough live rock your nitrates will eventually get to zero. If you already have enough then I think you have a reservior of slowly decaying material somewhere in your system, maybe it's the O2 reactor.

[ May 26, 2005, 12:51 AM: Message edited by: MrAnderson ]
 
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i disconnected the o2 reactor yesturday and cleaned it out there was a ton of garbage in there i think this might have been the problem im hoping ( praying) this was it i called mtc the makers of the oxegen reactor and they told me its an oxegen/ozone reactor its about $300.00 dollar they said its not made to house bacteria its strickly for ozone. but what is ozone and how do you add it to a system
 

joseney21

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how long has the tank been running??if you don't know what a certain piece of equipment does for your system you should research about it asap.do a search on RC about ozone, i'm sure you'll find some answers...more specific specs of your system setup would be helpful in identifying the cause of your problems.
 

marrone

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You probably had a build up of nitrate from the fish and the oxegen/ozone reactor having junk in it. Also I would get a new test kit because if you were running nitrates at 40ppm your corals wouldn't have bein doing well at all.

The oxegen/ozone reactor isn't made as a biology filter but with all that junk it in, plus the bio balls, it became a nitrates factory. If your going to use it you need to clean it out more often.

What I would do first is get a new nitrate kit and recheck the levels. Then do a # of water changes, 20%-30% over a couple of days, and bring the nitrates down to below 10ppm.

You don't need to add the oxegen/ozone reactor to the tank so try running it without it and see if you nitrates stay low.

As for Ozone, its good for adding oxygen to you tank, decrease dissolved wastes, ozone shrubs the tank down and removes all kinds of things, and is good against parasite. Using ozone will make the water quaility of your tank alot better but you need to get a ozinizer and a controller to run it on your oxegen/ozone reactor unit. Also if your tank is inside your house/apartment it's not a good idea to run ozone and it can be dangerous to people and cause headaches if your room isn't well ventalated.

I would probably not use it and get a good protein skimmer in it place, if you don't have one already.
 

cali_reef

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Originally posted by marrone:
but you need to get a ozinizer and a controller to run it on your oxegen/ozone reactor unit. Also if your tank is inside your house/apartment it's not a good idea to run ozone and it can be dangerous to people and cause headaches if your room isn't well ventalated.
Marrone, where did you get this information from? I hope is not thru reading threads on the internet. I have run ozone without controllers in my tanks and didn't have any of the problems you mentioned. IME the ozone units sold in the hobby are not "dangerous" as people perceived. The little ?air cleanser? units sold in HD for bathrooms have more ozone smell then any 200 ML ozone units I have used for my tanks.
 

House of Laughter

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150lbs for a 120 with additional fuge and sump volume doesn't sound to me to be enough live rock. I usually use the rule of "2" - at least 2 lbs per gallon of water volume. Expensie up front, but pay now or pay later.

for my new 180, I will have close to 345 lbs of rock. 245 of which is live and 100 which is pourous base rock. My total water volume is about 250. So, I may buy some more once I scape. Just my .02

House
 

marrone

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Cali_reef

Why do you hope it's not thru reading threads on the internet? I've been keeping saltwater fish for quite sometime and have either used, seen or know people that have used most of the equipment out there. That what I base my opinion on but if it was also from what people have posted on the internet so what? Their opinion or exprecience don't count?

You should really use controllers when using ozone so you can determine the levels that your using, unless your running a very small unit on a large tank. Also you need to use silcone hoses to get a tighter fix and regular hose with crack over time. Ozone exscaping from the unit into your house over time will build up, specially if the unit is large and your house/apartment doesn't have good ventalation. I've know people that have used ozone and have decided to stop just because of this. You need to know what your dealing with before your start and just because in your "IME that ozone unit sold in the hobby aren't "danagerous" as people perceived" people need to be made aware of the problems that could come about because of using them.

Michael
 

cali_reef

Fish and Coral Killer
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The 2 pounds per gallon is a general guide, I don?t think one would have the same rock surface area on a 10 pound piece of Marshal Island rock comparing to the Florida ?aqua cultured? rock or the less pricy base rock. 150 pounds of Florida rock or dry hi-rock is not ?a lot? of rocks for a bio filter media in a 125 gallon system.

Did you stir up your sand bed when you removed your large fishes? That will cause your water conditions to change, "a lot" in some cases.
 

cali_reef

Fish and Coral Killer
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Originally posted by marrone:
Cali_reef

Why do you hope it's not thru reading threads on the internet? I've been keeping saltwater fish for quite sometime and have either used, seen or know people that have used most of the equipment out there. That what I base my opinion on but if it was also from what people have posted on the internet so what? Their opinion or exprecience don't count?

You should really use controllers when using ozone so you can determine the levels that your using, unless your running a very small unit on a large tank. Also you need to use silcone hoses to get a tighter fix and regular hose with crack over time. Ozone exscaping from the unit into your house over time will build up, specially if the unit is large and your house/apartment doesn't have good ventalation. I've know people that have used ozone and have decided to stop just because of this. You need to know what your dealing with before your start and just because in your "IME that ozone unit sold in the hobby aren't "danagerous" as people perceived" people need to be made aware of the problems that could come about because of using them.

Michael
Michael,

I assumed you never ran one and hope you didn?t gather the opinion they are dangers to use based off what you may have read on the internet, since you didn't say you have experience with them and you recommended him to not use one without a telling him what you find to be negative.

I may not have the experience level you have since I don?t know you and have not seen your tank. However, I would only give my opinion base on what I have actually used and experienced, not base on my readings off the internet or hearsay. I don?t know what type of house or apartment he lives in, but knowing he lives in Queens, I highly doubt the dwelling is air tight and ozone use would cause people in the house to be affected if he decides to use one properly per the manufacturer's instruction.
 
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cali i have an mtc oxegen/ozone reactor i had it running with just an air pump going in and a pump for water to go in what is the purpose of this and is it hooked up right also will my tank beifit from it or sould someone with a more advanced reef that mine need it more than i do
 

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