Magnetic water conditioner device is made in usa, available to treat water in several ways. Prevention of scale build-up prevents minerals from precipitation on the inner side of pipes and other surface in the form of hard scale, and will not corrode pipes, water heaters, and other fixtures. It also removes progressively existing build-up over a period of time and permits increased water flow by unclogging pipes and fixtures of existing scale build-up, and improves appliance efficiency. Because it saves energy and money, reduces maintenance expenses and eliminates repair costs due to scale build-up. This water conditioner has applications wherever water is used: 1] domestic water tastes, smells better, removes stains and secling and choking, clothers come cleaner, last longer, using less soap/detergents, prevents hair loss, increases immunity and energy levels, cleaner dishes, eliminates spotting, etc; 2] industries cooling and cracjing towers, condensers/chillers. Steam boilers/tubes, heat exchangers, compressors, water heaters, salt build-up and corrosion, etc.