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Old 04-13-2006, 11:22 AM   #1
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Conducting a Food test for PO4

Ok I read all the time how food can cause the PO4 to raise... So I'm doing a little test.
RO/DI water with 0-PO4 and a pinch of 2 kinds of flake each in there own glass and some Mysis and Brine mixed. One is RO/DI and the other has some tap water. The date is wrong on the notes, test started today.... Will post results later.

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Old 04-13-2006, 12:05 PM   #2
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Cool ... once you figure out the numbers and what not if you could also post what "Brands" you used that would be great!
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Old 04-13-2006, 12:10 PM   #3
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interesting test i was thinking of the same exact idea but was just to lazy to do it hehe let us all know the results
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Old 04-13-2006, 12:20 PM   #4
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San Francisco Bay Mysis and Brine shrimp
Ocean Nutrition Prime Reef
Brine Shrimp direct Plankton Gold Flake
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Old 04-13-2006, 02:30 PM   #5
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Cant wait for the results. That`s a good idea.
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Old 04-13-2006, 02:41 PM   #6
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Tested and they hit 3+ on the PO4 meter, 3 is as high as the test kit goes.. did not test shrimp and tap water after the positive on the shrimp and ro/di.
It was really dark blue... The Prime was a 3 but slightly lighter then the others.

I drained off most of the water on the shrimp and filled with ro/di and retest to see if draining off the juice from the thawed shrimp makes any difference.
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Old 04-13-2006, 06:43 PM   #7
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Tested Shrimp that was drained of 90% of its fluid and then had ro/di added to it and it tested at 3 and I also tested a piece of Nori that was in ro/di and it tested at 3 PO4.
So you can't add any food with out some PO4 getting in the tank..
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Old 04-13-2006, 06:49 PM   #8
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Nice experiment seaham. Thanks for posting this. PO4 then is just something we have to deal with and try to regulate so it doesn't get out of hand. It's interesting though that even in draining and replacing the ro/di water, the shrimp still tested so high.
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Old 04-13-2006, 06:59 PM   #9
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I thought for sure that after draining most of the fluid off the thawed shrimp it would be lower.
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Old 04-13-2006, 07:02 PM   #10
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Yeah, I've been draining and rinsing my mysid for months thinking I was helping. Perhaps it did a little, but it would seem only a very little.
That's why I find your test so interesting.
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