I know that buying nitric acid is very difficult. I was just looking around in Walmart and I stumbled to where you can buy nitric acid. I have included a screen shot. It costs about 40 USD per liter. This is a little expensive, but not crazy. I pay about $70 for 2.5 liter at a local supplier.
I have not checked it out very much. You may be able to pick it out at a local Walmart store. Saving in shipping.
Anyway. Here it is
I have not checked it out very much. You may be able to pick it out at a local Walmart store. Saving in shipping.
Anyway. Here it is