Aqua-Pure AP431 Scale Inhibition Replacement Cartridge Save 43% Off

• Scale and corrosion inhibition helps extend life of water heaters
• Unrestricted flow design provides up to 10 gallons (37.9 liters) per minute
• Disposable cartridge inhibits scale for up to six months before replacement
• Slow-dissolve rate provides consistent dosing and long cartridge life
• When used with a system that is installed before the hot water system, the cartridge also helps protect appliances and pipes downstream

I think this hardwater prevention cartridge works. I have read that it is a must for people who have tankless water heaters, who don''t also have water softeners. Personally, I think you should buy a water softner over this device if you can afford it and are okay maintaining it. That said, I am using this device on the water line flowing into my water heater. I also have a hot water filter ) on the outlet side of the water heater to catch the stuff released into the water heater. That filter catches a lot of slimy rust and hardward. The only issue is that I need to change the filter quarterly. However, the aqua-pure seems to last six months. Overall, I think this is a good product, but you have to get it installed or install it yourself. Then, you probably want to filter the other side. I think a water softner (Morton Salt #MSD34C 34M Water Softener Unit) would work better, but this solution is less expensive to purchase and maintain.

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the Aqua-Pure cartridge is a necessary ingredient in keeping my instant hot water system working properly.

It''s very easy to change and very efficient.

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I ordered 2 cartridges and they were at my home in Canada within 7 days. The best price anywhere is on amazon.com. This water system

Is a must for anyone with a tankless hot water heater. It helps to prevent the build-up of scale inside your unit. $35 is a cheap price to pay every year to maintain your system

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Bought as replacement parts that wont need to be used until 3 months down the road. Looks good and can''t imagine there will be any problem.

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Couldn''t find at big box hardware store and ordered this online via my phone while the HD workers were trying to figure what filter this was. Product arrived quickly and was easy to install and working fine. Won''t have to change for at least 6 months.