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Old 04-11-2013, 03:59 PM   #1
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Help

How many gallons I have to change for my 125 tank. Please I need ideas!!!
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Old 04-12-2013, 04:28 AM   #2
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I would recommend 10-20% weekly for a healthy system. Is it a reef or fish only? How much livestock?
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Old 04-12-2013, 09:26 AM   #3
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Is Reef and i hace 130lbs live rock. Also I have 11 fish and 30 gallons of sump.
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Old 04-12-2013, 01:02 PM   #4
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Yup then I would do 20% weekly (that's what I do on my 55g) if it was me...
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Old 04-12-2013, 02:37 PM   #5
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20% or 25 gals.
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Old 04-12-2013, 05:20 PM   #6
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Quote:
Originally Posted by tonedogz View Post
20% or 25 gals.
Every week?
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Old 04-12-2013, 06:38 PM   #7
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10% is the normally accepted min weekly change. If nitrates climb you might need to do bigger changes.
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Old 04-12-2013, 07:07 PM   #8
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I'd say every couple of weeks would be fine. It also depends on your bioload, parameters, feeding etc.
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Old 04-12-2013, 07:28 PM   #9
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May I ask why you have a reef tank with 11 fish (assuming its established) and don't know how much water to change? Did you buy it established or had it a while and just started having problems? Or never change the water before? Just curious!
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