I think increased CO2 concentration in the atmosphere more than offsets the decreased solubility of CO2 in the ocean due to temperature rises. We are talking ab

I think increased CO2 concentration in the atmosphere more than offsets the decreased solubility of CO2 in the ocean due to temperature rises. We are talking about a couple of degrees increase in surface sea temperatures, versus a much more significant increase in CO2 concentration. Also, we have to worry about increased temperatures releasing reservoirs of CO2. So while the direct action of warming might reduce ocean acidity, the causes of that warming, and the side effects, both increase acidity more than the warming reduces it.