Cut down liquid pool shock has always worked for me. ex neighbor did it commercially with plain bleach, he was converting to shock the last time I spoke to him.
Something else to consider, if the metal is to thin it may slide under the table saw fence when ripping. I use an extra board and clamp it to the fence to prevent this.
Not with carbide teeth, running backwards they tend to fly off! I've cut a lot of tin and sheet steel with a backwords mounted blade; getting stung by a couple of flying hot teeth stopped me quick!