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Old 08-05-2012, 07:19 PM   #121
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That's just a general guideline. If you can keep trates low easily and you have no aggression issues, you can add more.
Yeah I suppose that's true.. this might be A LOT different for me bc my 180G FW has NO nitrates always bc of my live plants lol. Only time I do a pwc is when it starts to get cloudy due to driftwood guess we'll see what happens with my first SW tank
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Old 08-05-2012, 07:20 PM   #122
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Yup. Your gonna want to do weekly or biweekly water changes.
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Old 08-05-2012, 07:24 PM   #123
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Yup. Your gonna want to do weekly or biweekly water changes.
Well when my tank is cycled how big of a WC should I do? And after that how much % wise should I do weekly?
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Old 08-06-2012, 08:19 AM   #124
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Some people will say up to 50% for the first PWC after cycle. I did 20%, no problems so far... In terms of weekly, do a 10% weekly change (with salt water) and do top offs as needed (with fresh RO/DI).
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Old 08-06-2012, 10:33 AM   #125
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Some people will say up to 50% for the first PWC after cycle. I did 20%, no problems so far... In terms of weekly, do a 10% weekly change (with salt water) and do top offs as needed (with fresh RO/DI).
Awesome sounds like a plan btw my nitrites and nitrates got a little bit higher last night
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Old 08-06-2012, 11:13 AM   #126
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Well when my tank is cycled how big of a WC should I do? And after that how much % wise should I do weekly?
Do enough water changes to get your nitrates down to between 5 and 10ppm. Amount will be determined by how high the nitrates get. After that about 10% every week or two to replenish essential elements.
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Old 08-06-2012, 11:26 AM   #127
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Do enough water changes to get your nitrates down to between 5 and 10ppm. Amount will be determined by how high the nitrates get. After that about 10% every week or two to replenish essential elements.
Gotcha, will do thanks for your help!
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Old 08-06-2012, 02:30 PM   #128
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So right. Water changes will depend on your nitrate levels and the number of fish you decide to keep. These guidelines assume you have a skimmer, not to many fish, and that you don't overfeed. The easiest way to know for sure if you're doing enough water changes is by testing your nitrates. If they go above 10ppm do larger water changes, if they stay below 5ppm then 10% is all you need. If you can't get them below 10ppm you'll know that it's time to get that skimmer. That's a long way off though.
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Old 08-06-2012, 02:39 PM   #129
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So right. Water changes will depend on your nitrate levels and the number of fish you decide to keep. These guidelines assume you have a skimmer, not to many fish, and that you don't overfeed. The easiest way to know for sure if you're doing enough water changes is by testing your nitrates. If they go above 10ppm do larger water changes, if they stay below 5ppm then 10% is all you need. If you can't get them below 10ppm you'll know that it's time to get that skimmer. That's a long way off though.
Haha well hopefully I don't need a skimmer but regardless I will be getting the skilter 250 eventually
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Old 08-07-2012, 06:59 PM   #130
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Okay I'm having a big problem with my pH... every time I test for high range pH.. it comes out red.. like not a number on my chart. Any ideas???
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