Supermax (short for: super-maximum security) is the name used to describe control-unit prisons, or units within prisons, which represent the most secure levels of custody in the prison systems of certain countries.
Consumer Complaints and Reviews. Outrageously expensive for services not provided: $690 - the cost to purchase your own, high-quality softener and RO filtration plus 1 year of filters and salt. $5,770 - the cost of a 3-year contract with Culligan to rent their basic softener and RO filtration with service.
How much does a water softener cost? Several factors affect the final cost, including the type of system you choose. A small and simple water purifier for a single tap in a house wonât cost much. On the other end are whole-house water purification systems that clean and soften all water coming into your home.