There is no crazy difference. If water can get to the rocks, so can the dissolved CO2.
Oh, I was just pondering the efficiency. If Co2 is held in suspension and only the top layer of sediment is going to be exposed to the carbon in the water, and not to a degree of co2 more concentrated than normal.
Oh, I was just pondering the efficiency. If Co2 is held in suspension and only the top layer of sediment is going to be exposed to the carbon in the water, and not to a degree of co2 more concentrated than normal.
Every bit that is in contact with water is also in contact with CO2.