Ed wrote: ><< ust speculation and curiosity--What if someone were to get a two liter >> bottle of diet coke and poke a pin-hole, or a nail-hole in the bottle >> and allowed it to slowly mix with the water in the aquarium. Diet Coke >> is available at my Lucky's supermarket for as little as 69 cents for a >> two-liter bottle when using a Lucky Rewards card. Will this slowly add >> carbon dioxide? Will it harm the fish? How about club soda? >> >>> Bob wrote: >Yeah, Ed, go for it. Let me know how fast the fish keel over. >But, on the other hand, if you had a crisis-level drop in CO2 (though I can't >imagine what that would be) Calistoga or other sparkling water might be added >to the tank to "spurt" the level of CO2 short-term. It would probably add >some other dissolved solids as well, though, but not sugar, aspertame, or >artificial black-water > >Bob > Bob--All the things I mentioned are things that people put in their bodies everyday. I'd think twice before drinking peat water, black water tonic, or aquarium water. ______________________________________________________