When dealing with the carefully constructed micro-environment of a float tank, any tiny addition can really throw off the appearance or chemistry (just ask anyone who's had to deal with their water turning orange or green!). The types of soaps you use in your float rooms, along with shampoos, conditioners, and lotions can and will enter your tanks, so it's important to consider what impact they're going to have.

Graham and Ashkahn walk through troubleshooting water chemistry problems for this question, to help solve a particular issue.