Plastic is made of resin and additives, general plastic is not toxic safety and health, just do not know what he added additive modifier additives, like life is half made of polyethylene and polypropylene plastic and so on, are c h, non-toxic. Pro, bath bucket is absolutely safe to use.
If you're sure, try it directly and see if any chemicals are poisonous. Don't worry about that. You don't have to drink it. Although some plastics break down toxic substances when heated, it's in high temperature
