@rfrankk you can dilute it. I think its labmuffin that explains exactly how to dilute it.
I'm sharing the website bc I do not believe all the info is in here yet.
Go under the search. The eye glass and put in TCA. It may state how to dilute. But lab muffin says it very simple. And the order of #dilution. #Acidtowater NEVER #watertoacid !!!