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Old 06-13-2010, 03:17 PM
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Well ... I sort of agree with that and I sort of disagree, which is why I ask. The ocean may be 1.025 but TDS is not a generic homogenous "thing", any kind of trace element will affect TDS and thus SG and the "composition/make-up" might be totally different. If IO was intended for example to mix at 1.025 but has Mg less than what I want, adding less IO theoretically means less "other stuff" (other than Mg) which might be negligible or it might be detrimental. That's where I'm not sure and was wondering what others are doing.
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Old 06-13-2010, 03:48 PM
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are you not getting 380 Ca out of your IO? I always did, weird. anyways split the differance.. do your additives, then mix in salt to 1.026 I always went to 26, over 25.
'
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Old 06-13-2010, 04:58 PM
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I'll have to check my notes to be sure where it was testing out at for me (queue Indiana Jones's Sean Connery/Dr Henry Jones Sr. "I wrrrote it doon so I wouldn't HAVE to rememberrrr.") but all I remember that was I add two 15ml scoops of Ca to make it "perfect."

I'm tempted to split the difference. That's kind of what I've been doing anyhow (I either split it or alternate it between water changes) but was still wondering what others do. Even to stop it at 1.025 which would have been 1.023 before adding the the other stuff, 1.023 is well within tolerances anyhow.
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Old 06-13-2010, 06:25 PM
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Tony, are you running a Ca reactor? or Kalk?

Steve
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Old 06-14-2010, 12:19 AM
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Kalk on one tank, automated dosing into the other.
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Old 06-14-2010, 04:45 AM
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so why are you worring about Ca on small water changes? or are they significant?

Steve
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Old 06-14-2010, 05:06 AM
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Stability mostly. Figure if I make my water change water the same as my target levels then it's somehow "more better" than not.. I dunno, it's not like I realistically notice a difference doing it this way and not having done it though.
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