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Old 02-12-2004, 09:34 AM   #11
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I was talking to a new guy at the LFS who told me it was unneccessary to keep mixed SW at the ready. He said that there are too amny drawbacks, ie Iodine is gone in 48 hrs, CA drops, etc. He told me that all you need to do is mix up enough for your waterchanges 24 hrs ahead of time. Does anyone agree?

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Old 02-12-2004, 10:01 AM   #12
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I make up 40 gallons at a time and it sits for 2 - 6 weeks. I have never had any problems with that. I don't recommend the 24 hour "pre-brew" because if you make just enough water to do your water change, chances are you'll come up short and be hosed. I change 20G every 2 weeks, so I keep double what I need brewed at all times. That 20G change is never 20G on the dime and can range up to 30G depending on how vaccum happy I get.

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Old 02-13-2004, 11:55 AM   #13
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I thought if you stored water in a closed container the ph drops. I have been keeping a slight crack in the lids of mine. Should I keep them closed?
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Old 02-13-2004, 08:29 PM   #14
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You can keep a tight lid on it if you wish, just be sure it is well aerated for a few hours prior to use to allow the ph to rise naturally. The main problem with leaving it open is possible contamination of airborn pollutants. I usually have 2x 5 gal buckets on the go "just in case" but I keep a PH and polyfilter in each to ensure the water does not become contaminated. A quick check and adjustment of the salinity and it will usually be good to go. Generally it's best to check ph, salinity, alk and temp prior to use.

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