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In a message dated 11/20/1999 1:52:11 AM Mountain Standard Time,
Aquatic-Plants-Owner at actwin_com writes:
> 1.Does flourecent tubes has a life-span?
Yes. Most have lost a significant amount of their light output after 6
months and need to be replaced. Some specialty bulbs will go as long as 2
years at 12 hours a day without losing much. Then they just shut down and
refuse to light.
> 2.Does substrate or liquid fertilizer has a life-span?
Some have a shelf-life. Some last longer when stored in a refrigerator. It
depends on what you have.
> How about anti-chlorine liquid?
I don't think so.
> 3What type of algae does flying fox eat?
They don't eat algae to the best of my knowledge.