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[APD] RE: Hagen CO2 natural
yes, lots of people on the list use the CO2 natural system. It is basically
an all-in-one DIY system, if that makes any sense - a nice container to put
the yeast mixture in, tubing, and a cool little diffuser to stick on the
side of the tank. Hagen provides "activator" and "stablilizer" packets - I
use 1/8t of yeast and 1t baking soda, respectively, instead.
The units are not very expensive - under $20 - and for the newbie or the
person who doesn't want to mess with soda bottles and glue they are the
perfect way to get into CO2. The packaging says they're for tanks up to 10
gallons, but I use one on my 29 and have been really happy with it.
I'm not sure why people would say it is less effective than a DIY system,
since that is basically all it is. Maybe because not all of the CO2 is
absorbed - pinhead sized bubbles do escape the top of the diffusor ladder.
It seems to do the trick for the two tanks we have here (10 and 29 gal).
Above all, it is totally cool to watch. You can see the bubbles get smaller
as they go up the ladder - it's almost like watching ice cubes get smaller
as they melt, only the CO2 is "melting" into the water. Even my
cumputer-nerd/science-teacher/astronomer husband gets sucked into just
watching the bubbles go by. How may CO2 diffusors are entertaining, as well
Not affiliated with the company, just a big fan of the product.
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