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PostPosted: May 17th, '11, 00:37 
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I have the one and would need to purchase the other.

How far off would it be?

If you end up salting a system would you have to switch tests?

Anyone have experience with this?


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PostPosted: Nov 2nd, '11, 10:56 
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i dotn think it would work, and you can use a FW test kit with any sat you add to a AP system )

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PostPosted: Nov 2nd, '11, 11:07 
I think the ammonia test covers both... but don't hold me to it until i check...

Actually the "nitrite" test says both fresh and salt water... but I still think the ammonia charts are very similar....


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PostPosted: Nov 2nd, '11, 11:16 
OK... here are the charts...

Ammonia...

Attachment:
API ammonia charts.jpg
API ammonia charts.jpg [ 24.78 KiB | Viewed 1612 times ]


Nitrite...

Attachment:
API nitrite charts.jpg
API nitrite charts.jpg [ 13.39 KiB | Viewed 1612 times ]


Nitrate...

Attachment:
API nitrate charts.jpg
API nitrate charts.jpg [ 23.16 KiB | Viewed 1612 times ]


And the Phosphate charts are very similar also....

That all said.... I'm still checking as to whether the saltwater chemicals will give a reliable comparative freshwater reading...


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PostPosted: Nov 2nd, '11, 11:24 
OK... all the aquaria forums seem to suggest that the actual test chemicals are the same... but the saltwater will alter the colours somewhat... ala the charts posted above...

Can't actually find a link to API that confirms that though...


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PostPosted: Nov 2nd, '11, 11:32 
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I wonder how much adding salt to your FT alters the colours?

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PostPosted: Nov 2nd, '11, 11:35 
Considering we usually add only 6ppt at the most... and saltwater is 32ppt... probably not a lot Charlie...


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PostPosted: Nov 2nd, '11, 11:37 
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Phew!

Had me thinkin for a moment Rupe... :think:

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