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Old 08-13-2012, 05:03 PM   #51
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Ok well I just got home from the lfs with a salifert mg test kit and seachem magnesium supplement. Armed and ready to resolve any mg issues.

Mg appears to be pretty good. Tested at 1500ppm. I didn't have a water sample with me so I have to go back to get the pH tested. Maybe a subconsciously purposeful mistake because my lfs gets there shipments on Tuesdays. I guess I will have to go back tomorrow
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Old 08-13-2012, 07:44 PM   #52
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I would really think about switching to a salt lower in calcium. Regular Instant Ocean is a fine choice and is among the cheapest priced salts and is sold just about everywhere.
What is your salinity and what are you using to measure it? Unless you have been dosing, your calcium and mag levels are higher than they should be with any brand salt, even Coralife which is high in calcium to begin with.
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Old 08-13-2012, 08:21 PM   #53
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I'm using a hydrometer and mixing to 1.025-1.026. I know that people say that those can be very unreliable. Maybe I am measuring low and I am actually mixing up stuff that is much higher....hmm maybe I need to spend more money.
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Old 08-13-2012, 08:41 PM   #54
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Get a refractometer on EBay. Even if the hydrometer was off, it would have to be way off to affect Ph this much IMO.
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Old 08-13-2012, 08:58 PM   #55
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Quote:
Originally Posted by Gregcoyote
Get a refractometer on EBay. Even if the hydrometer was off, it would have to be way off to affect Ph this much IMO.
When you use hydrometer you have to tap or flick it to get the small bubbles off of the needle this is why your readings get off ive used hydrometer for 5 years no issues
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Old 08-13-2012, 10:13 PM   #56
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I do make sure to do the tap and flick to get air bubbles off the needle. I actually have 2 hydrometers. Both are coralife. One reads 1.025 on my regular mix. The same mix in the other hydrometer reads 1.030. I'm not sure what difference this could make to calcium or other elements but it makes me wonder.
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Old 08-13-2012, 10:24 PM   #57
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I do make sure to do the tap and flick to get air bubbles off the needle. I actually have 2 hydrometers. Both are coralife. One reads 1.025 on my regular mix. The same mix in the other hydrometer reads 1.030. I'm not sure what difference this could make to calcium or other elements but it makes me wonder.
Wow that stinks wonder which one is correct
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Old 08-13-2012, 10:28 PM   #58
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Here is evidence. My 2 coralife hydrometers filled with water from my tank.
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Old 08-13-2012, 10:32 PM   #59
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Here is evidence. My 2 coralife hydrometers filled with water from my tank.
Ya thats not good i guess i got lucky with mine
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Old 08-13-2012, 11:15 PM   #60
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That's exactly what happened to me. Used the plastic hydrometer, tapped all bubbles off for decades, until I double checked and found I was running my reef for years on the border line. I am cheap, so I bought the cheapest $50 refractometer and it has worked fine. Only wish I had bought the one with the built in led light.
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