[Hunble]

I have way over 400 gallons of saltwater in my home, so that is not a problem.

Would you like me to video this experiment, so that you can insure that I did it correctly?

[cogitator]

Would you like me to video this experiment, so that you can insure that I did it correctly?

Not necessary. But don't forget to seal the flask.

You might find this interesting supporting material:

Discovering the Effects of CO2 Levels on Marine Life and Global Climate

[cogitator]

I've been looking all over, and while not a perfect example, this might be useful to you, too:

Ocean Absorption Lab

And have fun!