Flourish Comprehensive - color?
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Flourish Comprehensive - color?

This is a discussion on Flourish Comprehensive - color? within the Beginner Planted Aquarium forums, part of the Beginner Freshwater Aquarium category; --> Running low on Flourish Comprehensive, so I bought a replacement bottle. Opened the replacement bottle today and noticed a HUGE difference in the color ...

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Flourish Comprehensive - color?
Old 11-16-2012, 07:04 PM   #1
 
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Flourish Comprehensive - color?

Running low on Flourish Comprehensive, so I bought a replacement bottle.

Opened the replacement bottle today and noticed a HUGE difference in the color of the formula in the old bottle compared to the new bottle.

Wondering if there is something wrong with the new bottle?

To better explain: the old bottle looked just like bock beer, the new bottle looks just honely ale - understand now?
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Old 11-16-2012, 07:12 PM   #2
 
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Did you try shaking it, maybe it settled out.
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Old 11-16-2012, 07:19 PM   #3
 
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Yes indeed, first thing I did when I noticed the difference was shake it, shake it, shake it good....

Last edited by Tracy Bird; 11-16-2012 at 07:39 PM..
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Old 11-16-2012, 07:59 PM   #4
 
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Not a problem to worry about. "Fresh" it looks like honey/ale in color. Once exposed to air or as it ages, the liquid darkens over time. I purchase a couple of 2-liter bottles every year, and keep them in the 'fridge. By the time I finish up even the first liter bottle, it's a very dark solution but seems to work well still. It's probably some type of chemical oxidation, but doesn't seem to impact the results.
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Old 11-16-2012, 08:24 PM   #5
 
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Quote:
Originally Posted by DKRST View Post
Not a problem to worry about. "Fresh" it looks like honey/ale in color. Once exposed to air or as it ages, the liquid darkens over time. I purchase a couple of 2-liter bottles every year, and keep them in the 'fridge. By the time I finish up even the first liter bottle, it's a very dark solution but seems to work well still. It's probably some type of chemical oxidation, but doesn't seem to impact the results.
Well that's good to know that all is well....

I don't keep mine in the fridge - maybe I should?
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Old 11-16-2012, 08:30 PM   #6
 
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The manufacturer recommends refrigeration after opening, but it's not required.
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Old 11-16-2012, 09:40 PM   #7
 
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So do you think its best to refigerate?
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Old 11-17-2012, 12:33 PM   #8
 
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I'm with DKRST on the colour, I too buy the 2L jugs and notice the same.

Shake it before each use; obviously there may be some settling...can't see into the opaque jugs but I did once notice sediment near the end, so just a quick inverted shake for a couple seconds each time [make sure the cap is on tight] doesn't hurt.

I also keep mine cool, in my wine cooler fridge. Seachem said it doesn't matter, but if this is true, I have to wonder why they suggest it??? For the limited space it takes up, refrigeration won't hurt.

Byron.
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