SILVER TESTING ACIDS ARE THE EASIEST AND SAFEST WAY TO TEST YOUR SILVER.
SIMPLY SCRATCH THE PIECE OF SILVER YOU WOULD LIKE TO TEST ON A TESTING STONE AND PLACE 1 DROP ON THAT MARK WHERE THE STONE WAS SCRATCHED.
Results:
Fine Silver .999 turns Bright Red
.925 turns Dark Red
.80 turns Brown
.50 or less turns Green