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-   -   Liquid plant food.....can it lose its potency after a number of years??? (http://www.plantedtank.net/forums/showthread.php?t=243026)

guitarsrmine 02-12-2013 05:49 AM

Liquid plant food.....can it lose its potency after a number of years???
 
Hi all....I was wondering if liquid plant food, such as Flourish, can lose its potency after a number of years?? The bottle I have is, Im guessing, at least 3 years old.....I neglected my tanks that long, so thats why I have a bottle of it that is that old......Ive got my tanks almost completely void of BBA, and they are looking better day by day......do I need to buy a fresh bottle of food????Thanks for looking........

Seattle_Aquarist 02-12-2013 06:01 AM

Quote:

Originally Posted by guitarsrmine (Post 2517538)
Hi all....I was wondering if liquid plant food, such as Flourish, can lose its potency after a number of years?? The bottle I have is, Im guessing, at least 3 years old.....I neglected my tanks that long, so thats why I have a bottle of it that is that old......Ive got my tanks almost completely void of BBA, and they are looking better day by day......do I need to buy a fresh bottle of food????Thanks for looking........

Hi guitarsrmine,

Per Seachem:

Quote:

Our products are formulated either to (a) have a practical unlimited shelf life (i.e. practical within expected usage time frames, for example it's not likely someone would try to use a 20 year old bottle of Flourish) or (b) require no special formulation because they truly have an unlimited shelf life owing to their chemical nature. The above mentioned products will last many years. My only advice is to refrigerate Flourish after opening to keep the organic components (vitamins, etc.) as fresh as possible.

guitarsrmine 02-12-2013 06:11 AM

Re;
 
Thanks, Seattle!!!!

ronnie6989 02-12-2013 06:37 AM

One thing I know is that plastic bleeds in air. Like a two liter bottle of soda will be as they say soft (going flat ) after a year shelf life...A glass container does not do that.....AS every body says that soda taste better in a glass bottle. That is the reason why it taste better than a plastic bottle of soda... My belief is that chemicals do change after time exposed to air... Like I say, That's my opinion...

Ronnie


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