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  #1  
Old 12/21/2007, 01:13 AM
javi515707 javi515707 is offline
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Location: CA
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Can running carbon too often be bad ?

I have a 55g salt water with coral in it.
I use 3 fluval canisters as my form of filtration due to having no room for a sump
I do a 10g water change about every 4 days. I like to keep my water as clean as possible.
I feed about 3 table spoons of Phyto Feast every water change to keep my corals happy.

Can changing/running carbon that often be harmfull to my tank?
  #2  
Old 12/21/2007, 01:18 AM
demonsp demonsp is offline
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3 table spoons sounds high. How many coral and type of coral?3 canister filters can be bad if you dont clean or have the wrong media. Carbon is fine and should be changed regularly.
Water changes at 10% weekly or bi-weekly or 20% bi-weekly or monthly could be fine,really depends on your readings.
Do you know your water readings?
Type of fish?
Do you have a skimmer?
Amount of LR and LS?
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  #3  
Old 12/21/2007, 01:38 AM
Mavrk Mavrk is offline
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Re: Can running carbon too often be bad ?

Quote:
Originally posted by javi515707
I have a 55g salt water with coral in it.
I use 3 fluval canisters as my form of filtration due to having no room for a sump
I do a 10g water change about every 4 days. I like to keep my water as clean as possible.
I feed about 3 table spoons of Phyto Feast every water change to keep my corals happy.

Can changing/running carbon that often be harmfull to my tank?
I don't know if the debate was ever settled on this, but I prefer using smaller amounts and using it for short periods of time rather than continuously. The main reasons for the debate have to do with phosphate leaching (although this does not seem like are major issue anymore), and removal of trace elements (although I think carbon's removal of iodine is no longer considered as being true).

In short, my information is probably outdated but I know a lot of people who would agree with me on how to run carbon. Personally I run it for a day or two when I change my Phosban (that way I only need one reactor).

I have been wondering lately what the latest thoughts are on this topic, so I am glad you brought it up.
  #4  
Old 12/21/2007, 02:01 AM
javi515707 javi515707 is offline
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Location: CA
Posts: 17
I clean the pads in my canisters everytime I change my carbon.
I have a bubble tip anemone, Frogspawn, torch coral, Alveopora(banch)coral, anchor coral, a few rocks with mushrooms,pulsing zenia and a few rocks with botton polyps.
I currently only have a Long Nose Butterfly and a clown fish that swim freely in my tank
I have a Seaclone Protein Skimmer
I dont know the amount of LR but I would guess I have about 50lbs of it...
My water readings are the following
20 nitrate
0 nitrite
8.0ph
240 alkalinity
  #5  
Old 12/21/2007, 02:03 AM
mbbuna mbbuna is offline
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i dont see where you say how much or how often you change carbon.

FWIW im a big fan of GAC. i use a lot of it and change it every 4 weeks or so. IMO the only thing you need to worry about is waiting too long between changes. if you do you will clear the water too quickly and your corals might get light shocked.

ive never seen any proof of GAC excessively removing trace elements.
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  #6  
Old 12/21/2007, 02:06 AM
demonsp demonsp is offline
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High nitrate could be from low flow,any bio balls , water source like tap,not enough CUC , poor SB condition.
DO any of these apply?
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  #7  
Old 12/21/2007, 02:46 AM
javi515707 javi515707 is offline
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Join Date: Nov 2007
Location: CA
Posts: 17
Thanks guys... Great info...
I tend to change my carbon about 3 to 4 weeks....
I dont have any bio balls because I dont have room for a sump.. i have canisters for filters...
I am fighting a green hair algae breakout that started in my tank about a month ago..
I only use ocean water that is sold at my local fish store... i dont use tap..

I'm new to this online community.. What exactly is FWIW ? GAC? CUC ? SB ?
  #8  
Old 12/21/2007, 02:49 AM
demonsp demonsp is offline
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CUC is cleanup crew.SB is sand bed.
Whats for flow or water movement?
Do you know your water readings?
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  #9  
Old 12/21/2007, 03:04 AM
mbbuna mbbuna is offline
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Quote:
Originally posted by javi515707
Thanks guys... Great info...
I tend to change my carbon about 3 to 4 weeks....
I dont have any bio balls because I dont have room for a sump.. i have canisters for filters...
I am fighting a green hair algae breakout that started in my tank about a month ago..
I only use ocean water that is sold at my local fish store... i dont use tap..

I'm new to this online community.. What exactly is FWIW ? GAC? CUC ? SB ?
well [welcome]

FWIW= for what its worth. meaning take it for what you will

GAC= granular activated carbon.

CUC= clean up crew

SB= sand bed

heres a list of other acronyms http://www.reefcentral.com/modules.p...&eid=2&ltr=all
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  #10  
Old 12/21/2007, 08:12 AM
BangkokMatt BangkokMatt is offline
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The canister filter will not be helping your HA. Do you have media inside it.
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  #11  
Old 12/22/2007, 12:53 AM
chillman chillman is offline
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now I know what cuc means.
I run carbon also, I think it does a great job of keeping the water clear, so long as you change it regularly (which you do), otherwise it can be a nitrate trap.
  #12  
Old 12/22/2007, 01:08 AM
Sk8r Sk8r is offline
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Change your carbon every 3-4 DAYS, not weeks: if carbon stays in too long, it starts releasing everything it sucked up....nasty trait of carbon.
Also probably not necessary if you're not running softie corals or way many fish.
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