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  #1  
Old 11/23/2007, 06:19 PM
LegendLand LegendLand is offline
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Post Instant Ocean Testing Low

Interesting turn around i had with instant ocean salt recently..ive used it all my life, & my current tank is ran on IO salt alone..after 4 years ive had no problems..that is untill recently....calcium started getting really low, then the alkalinity dropped, hard corals started dieng..no matter how many water changes i did it would not return..after buffering the calcium & alk back to normal..a water change would mess it up again..me & a guy at my LFS tested the calcium in the salt..& to our shock..its really low..about 260 to 280..shouldnt it be around 380-420 ? also..has anyone tested the salt on its alk & magneseium ?
  #2  
Old 11/23/2007, 06:38 PM
Percula9 Percula9 is offline
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Try Reef crystals, also made by instant ocean. It has higher levels of calcium and magnesium.
  #3  
Old 11/23/2007, 08:38 PM
demonsp demonsp is offline
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Instant ocean so newbie. heh J/k But in a 4 yrs system you may not be able to keep constant readings with a high calcium need. Unless of course you already dose with calcium suppliment.
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  #4  
Old 11/23/2007, 10:44 PM
LegendLand LegendLand is offline
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i think your mis-understanding...we tested fresh salt mix...not in any tank..freshly mixed...calcium was around 260..is that normal for fresh sea salt ?
  #5  
Old 11/23/2007, 10:48 PM
demonsp demonsp is offline
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No but this is normal frmo what i hear. I switched salt brands for this reason long ago. I use oceanic with better consistant readings.

Sorry i was just foolin. But there are many threads on this subject in here, and thought you may have seen some of them.
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Lance H.
  #6  
Old 11/24/2007, 12:51 AM
SDguy SDguy is offline
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IO is known to be low in Ca, but not that low. Mid 300's. Double check against another test after 24hrs of mixing to be sure. Also confism salinity of 1.025
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  #7  
Old 11/24/2007, 03:51 AM
bertoni bertoni is offline
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I agree that IO shouldn't be that low in calcium. Maybe it's a bad batch, but I suspect testing problems.
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Jonathan Bertoni
  #8  
Old 11/24/2007, 02:26 PM
LegendLand LegendLand is offline
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3 batches of IO salt have tested low, 2 different ones at my house. & 1 at the LFS...salanity also tested low when adding the exact amount as should be added.
  #9  
Old 11/24/2007, 03:18 PM
SDguy SDguy is offline
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Quote:
Originally posted by LegendLand
salanity also tested low when adding the exact amount as should be added.
I never use that "cup" measurement direction.
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Peter

Click my red house to see my tank :-)
  #10  
Old 11/24/2007, 04:18 PM
dandydan dandydan is offline
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I have used IO for years, allthough here its made in France, I add 6.1ml of calcium and 6.8ml of magnesium to each fresh 5 uk gallon barrel.
It is still the most used salt by far and remains pretty constant.
I would also suspect your measurements, maybe test kits??
Luck
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