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All the talk about adding soil/peat/other organics to your substrate seems
like it will only last a short time before the need arises to replace the
material used by the plants.
Is this the case?
I would like a method which can be set up for numerous years (5+) without
any need to tear down the system to replace the substrate. Would
laterite perform this function for a long enough time.
Another thought is, is anybody out there not using CO2? While the expense
is one problem I have also read that certain fast growing plants end up
looking bad in a CO2 system and thus shouldn't be used. Also a problem I
have always seen is how is the water for water changes brought to the same
pH of the tank system with the CO2 bringing the pH down?
o THE OPTIMIST BELIEVES WE LIVE IN w
m THE BEST OF ALL WORLDS; THE PESSIMIST h
a FEARS THIS IS SO o
e Mike Nielsen a
y Department of Geography r
o Harvill Bldg Box #2 e
u Tucson, AZ 85721 y
? mnielsen at u_arizona.edu o