Re: Aquatic Plants Digest V4 #205

[K9AUB at aol_com]

In a message dated 4/8/2000 01:03:03 Pacific Daylight Time, 
Aquatic-Plants-Owner at actwin_com writes:

> Quick question.  Is there any reason NOT to add CO2 to a low light (1.5
>  w/gal) tank?
>  
That would depend on the varieties of plants you are growing.  Some 
slow-growing plants such as Crypts don't really require supplemental CO2, and 
some plants can't photosynthesize at 1.5 w/gal, and thus probably couldn't 
utilize extra CO2 if it was there.  In general, supplemental CO2 benefits 
plants under adequate or better light conditions, and may - or may not - be 
useful in a low-light tank.  I don't know of any plants that are actually 
HARMED by supplemental CO2, but there are some that are not helped much, 
either.  CO2 is just one component of growing nice plants.  All the other 
components (nutrients, adequate light, proper water conditions) must be 
present before supplemental CO2 can really benefit plants.

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