Terrific value cold plunge. I upgraded from an inflatable bucket which was costing me £10 a time in ice. The tub stays a continuing four levels, I use the chill tabs to keep it clean up, use the plunge 4 or so moments every week and change the water maybe https://www.hotfrog.com/company/b9fc1654798a23889bbb1bd5ac633e6a/renu-therapy/santa-ana/therapy-counselling