Re: CO2 systems

[MDelra at aol_com]

Michiko, the aquarium store that I used to work at no longer sells the Dupla 
system. It may be available only in Germany. However, there is a store close 
to where I live in Columbus, Ohio that has the same type of system. I will 
get the info for you. I dont know if Dupla is being distributed here anymore 
since so many other companies have developed there own. The aquarium store 
that I used to work at also may have such a system. The Dupla products were 
very expensive at the time, so the usual competion that arose made them a 
little less expensive. Most of these systems include mercury vapor lights or 
quartz halogen, some sort of trickle filter, CO2 bottle and CO2 diffuser( 
small vial filled with some sort of ceramic material), a CO2 indicator, and 
some type of fertilizer that is put in under the layer of gravel, usually 
laterite clay.  All of these aquariums are open top-no canopy because the 
heavy duty lamps will heat the water, but many local aquarist will use 
several flourescent bulbs in the correct wavelengths to promote plant growth. 
So, there may be four different types of bulbs as in reef tanks. It still 
heats the tank, but it works if you have jumping fish. The system that I 
had,before we had baby boys yanking at hoses behind the tank stand, had congo 
tetras, synodontis angelicus, debauwie cats, otocinclus, epiplatys 
fasciolatus, aphyosemion striatum as the fish population. The plants,which 
were growing out of the tank were anubius nana in the foreground, aubius 
barteri, bolbitis, tiger lotus, ammania senengalis, and crinum. I wish I 
didnt have to take that tank down. It was great when we had killie meetings 
at my house and the killies in the tank never jumped. They must have felt 
secure. Anyway, I'll try to muster some of that info for you from those 
stores that I mentioned and will get back with you. Mark Delraso, Columbus, 
Ohio


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