Maybe you could mix the sea salt with potassium salt. That way, you wouldn’t have to take potassium pills.
Of course this depends on how easy it is in your country to obtain potassium salt. In my country, food-grade potassium salt is available for people with high blood pressure and/or people with kidney problems. The situation may be different in your country.
Do take care with potassium as it may directly impact the functioning of the heart.
Also keep your other electrolytes in check. Sodium and potassium are just two of them, there are many more.