When the whole are has been wiped clean let it cool down. Then wipe it with a wet rag dipped in the baking soda and water mix. This will neutralize the acid and remove the solder paste remains.
When the whole are has been wiped clean let it cool down. Then wipe it with a wet rag dipped in the baking soda and water mix. This will neutralize the acid and remove the solder paste remains.