The present invention in an embodiment involves a pool or tank part of a system for providing cosmetic, medical, chiropractic and relaxation effect, wherein the system comprises one or more of a cleaning part a pool or a tank part and a massaging part. The a pool or tank part comprises a section for providing fish therapy, wherein the section for providing fish therapy comprises, at least one fish a temperature control unit a pH gauge or meter a sterilizing device a air pumping or air circulating device and a liquid wherein at least one part of the body of a subject when immersed in the said pool or tank part is nibbled or gnawed by at least one fish.
