You have probably heard about hard water and soft water, but what’s the difference? The difference is the mineral content of water, which affects how it is classified on a scale ranging from complex to soft. Soft water has many benefits over hard water, but the water delivered to most of our homes is full of hard minerals. Water softeners help us to solve this problem, but there are several different types to choose from. Which device is best suited for your home and situation? To help you decide, we’re going to briefly overview each type of water softener as well as bringing up its pros and cons.
Reverse osmosis removes contaminants from unfiltered water or feedwater when pressure forces it through a semipermeable membrane. Water flows from the more concentrated side (more contaminants) of the RO membrane to the less focused side (fewer contaminants) to provide clean drinking water. The freshwater produced is called the permeate. The concentrated water left over is called waste or brine. A semipermeable membrane has tiny pores that block contaminants but allow water molecules to flow through. In osmosis, water becomes more concentrated as it passes through the membrane to obtain equilibrium on both sides. Reverse osmosis, however, blocks contaminants from entering the less focused side of the membrane. For example, when pressure is applied to a volume of saltwater during reverse osmosis, the salt is left behind, and only clean water flows through.
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Salt-based water softeners use an electronic metered valve mounted atop a fibreglass resin tank that meter water by the gallon and then run a cleaning cycle when the ion resin bed reaches a saturation point. During the cleaning cycle, the electronic valve cycles a series of back flushes to purge the hardness particulates that have been captured from the system and flush them down a drain line. The sodium is also replenished in the resin bed during the cycle, and all is ready to go again.
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In the salt-based water softening treatment, hardness minerals are removed from the water. In the salt-free process, minerals are retained in the water, but their form is changed to not adhere to surfaces. “Salt-free” water softeners are not softeners. They are “water conditioners.” Water is processed through catalytic media using a physical process called
Template Assisted Crystallization (TAC). What happens is the hardness minerals are converted to a hardness crystal that is not able to bind to surfaces. This is actually water conditioning, not softening.
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Whether you’re trying to avoid hard water stains and rust on your bathroom fixtures and tiles, or you want the pleasant feeling of skin and hair that’s been washed in soft water, a water softener can provide you with the solution to your complex water problems. The best way to tell what system you’ll be happy with is to have a water analysis done and
Manax can help you with that!
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