All these units work very effectively in eliminating scale and hard water problems. O.P. water system inc. ozone purified water system will deliver softer, pure, disinfectated, oxygenated, water. Lease to Own Available ! PRICING ADDITIONAL COSTS / EXTRAS WK1Design $299.00 WK2 Design $599.00 WK3 Design quote WK4 Design quote Complete Ozone system for your home or farm. We welcome your inquiries! All systems are engineered for your own water load. purchased from the web site: add GST 6% purchased in person add PST 8% & GST 6% $25.00/shipping & handling Do it yourself Instalation Installations can be arranged through a qualified technician trained on our system. Manual cleaning once a month by turning the top. Automatic cleaning - time,( day, week, month ). Automatic cleaning - pressure difference.