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Old 11-11-2007, 05:50 PM   #1
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DT's Live Phytoplankton

I've just used this for the first time, brand new 7.5oz bottle, and it really stinks! It almost makes you gip...

Is this normal for a brand new bottle of the stuff?
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Old 11-11-2007, 07:26 PM   #2
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Not directly related, but are you using this to grow your own? Or are you just feeding it?
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Old 11-11-2007, 07:38 PM   #3
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Quote:
Originally Posted by SparKy697
Not directly related, but are you using this to grow your own? Or are you just feeding it?
Just feeding it. I've got a 10G(35L) nano, with a selection of soft/hard corals, feather duster etc. I'm feeding the phyto very lightly, just once a week. I figured it wouldn't harm anything! Although I don't know if it's actually getting to all of the corals...
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Old 11-11-2007, 08:09 PM   #4
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Have you kept it Refrigerated?

From Storage/Odor on the DTs website...

"D. Mortality: While in storage a small percentage of the cells will die. In recent testing of DTís Live Marine Phytoplankton, more then 90 % of the cells were still alive and intact after 13 weeks of storage. It is reasonable to assume that by the ďbest if used by dateĒ, based on a 5 month shelf life, less than 15 % of the cells may die.

Any odor from the phytoplankton is most noticeable in the air that is trapped in the bottle, and it builds up over time. That is why a half empty bottle smells more than a full bottle, and a large bottle smells more than a small bottle. To remove the old air, squeeze the bottle until the phytoplankton is at the surface. While odor intensity is almost impossible to describe; it is normal for some odor of sulfides to be detected, particularly in DTís that has been in storage for a while.

If a significant amount of the phytoplankton is dead, the intensity of the odor will be so strong that it is unlikely that anyone could stand smelling it. "
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Old 11-11-2007, 08:17 PM   #5
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Yeah it's been refrigerated since I got it (4įC).

Use by date is March 2008, so it's "brand new". It does smell pretty bad, when I smell inside the bottle. The actual stuff didn't smell at all when I smelt the 5ml spoon it was on, but I guess it wouldn't anyway.

I wish there was an easy way to find out how much plankton was dead...
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Old 11-11-2007, 10:52 PM   #6
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The sulfer or "rotten egg" smell is pretty normal for the DT's product. However, it should not be too strong. If you are sticking your nose into the bottle it will smell. If you are simply preparing it to feed the tank it should not be enough to make you gag. In other words...stinky but not too stinky.
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Old 11-12-2007, 08:37 AM   #7
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I couldn't really smell it when I just opened the bottom and poured it onto the spoon, but when I put my nose into the bottle it did almost make me gag.

That's normal then?
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Old 11-12-2007, 02:16 PM   #8
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That sounds normal. The fix is to just don't do that
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Old 11-12-2007, 02:25 PM   #9
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Hehe, fair enough!
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Old 11-12-2007, 05:04 PM   #10
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In my past use of it , it really did not smell that bad. It might have been a little smell but not horrible. Hopefully it will be OK.
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