Now i know most will laugh at this and rightly so.... as im thinking out loud. Im sure i will be bashed at this but hey, somebody has to ask the silly questions right ?

So plants take in C02 which we all know, and fizzy water is only fizzy because of the C02 they add.... see where im going ;-)

What if one was to do a 500ml water change in a nano tank every day by using carbonated water ? Could this be an alternative to using chemicals such as Excel and even to take away the clutter inside the tank when we use DIY C02 ?

Amano wrote something in his books about using carbonated water and it worked well for him. It would probably work a little but the co2 would run out from the water after a few hours

Interesting thought, but I think you're also adding Sodium ions. Not exactly sure how that would work in the long term.

It could work, but it would be expensive in the long run. Carbonated water is fairly expensive when bought bottled.

+1. You didn't mention that he also had several mishaps where he accidentally killed all his livestock too

I really can't imagine that adding carbonated water would do much more then cause a real short pH dip. the CO2 will come out of solution really quickly, and I can't imagine the sudden pH changes would be good for the inhabitants.

plus, expensive.

From Nature Aquarium book one.

Attached Thumbnails

 

And Amano did quickly switch to injection of CO2 instead

Hi stevenjohn21,

Here are the typical ingredients for club soda:
So along with H2O it also contains Sodium Bicarbonate with will raise the dKH and PH and Sodium Chloride which is salt (to which a lot of plants are sensitive). I suggest sticking with either DIY or pressurized CO2.

Seltzer is much better in that respect: H2O + CO2 and nothing else.

Nice little excerpt, is that from the book of ADA?

If you had a pressure vessel you could cabonate your own water. Like others have stated, it would rapidly be exhausted.

You could try Sodastream for that, I guess. Prepare for an algae farm, however, thanks to fluctuating CO2 levels.