Hello, many answers to this question can be found on the Internet. I bought professional equipment for my business here https://bftech.pro/ They offer a complete list of ice equipment and consumables for a full cycle of premium ice production. BF Tech is one of the leading manufacturers of ice equipment with its own production.
How Do I Clean My Refrigerator's Icemaker And Water System? There Is An Order In The Water And The Ice.
As far as the water system you just need to clean/replace the water filter.