ive done muriatic acid in 3 liters. takes like 5 or 10 minutes though. in the 2 liters we filled them up about half way with acid and a fat cigar sized rol of tin. shook it, threw it, and watched it go boom. left about 10-20' radiuses of burnt grass.
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If you have three quarters, four dimes, and four pennies, you have $1.19. You also have the largest amount of money in coins without being able to make change for a dollar.
