In a medium pot combine the listed ingredients - ensuring the sugar and salt are well combined.
1/4 cup rice vinegar, 1/4 cup distilled white vinegar, 4 tbsp white sugar, 1.5 tbsp kosher salt, 1/2 cup water
Bring this mixture to slight boil and then take off the heat.
Ladle or pour the brine liquid into the mason jar, filling up to the top.
Allow to cool and then cover with your lid.
Store in your refrigerator. Flavors will improve overnight.