![]() ![]() When comparing iron filters, make sure you know how many gallons of backwash they’re likely to use, the required flow rate during a backwash, and the cost of any chemicals that have to be added. If the system is calibrated properly, the iron-rich backwash is safe for municipal sewers and septic systems. The process uses a lot of water, about 10 gallons per minute per square foot of mineral media. And they all have to be flushed-backwashed-regularly to remove the buildup of iron particles. To remain effective, some manganese-based filters have to be recharged periodically with another potent oxidizer, potassium permanganate.Īll these filters work best with water in the 6.5 to 8 pH range. And some combine injection with oxidizing media. #Rust color plusOthers use manganese-rich media such as Greensand Plus or Birm to oxidize and capture the iron in one step. Some filters inject oxidizers such as air, chlorine, hydrogen peroxide, or ozone into the water ahead of the mineral bed. They all operate on the same principle: to oxidize the dissolved ferrous iron and convert it into ferric-iron particles that can then be captured by running the water through a bed of minerals. When a softener doesn’t work, there are many specialized iron filters that will. ![]() A softener can remove iron under less-than-ideal conditions, but then its resin beads may fail and need to be replaced, as often as every two to three years. I know you’re against using a water softener, but it can be an effective and economical way to remove low iron levels-3 ppm or less-if the water’s pH isn’t too high. Dollars to doughnuts, that’s the type you have. Ferrous iron doesn’t affect water clarity, but it stains ceramics and clothing and has a rusty taste. Ferrous iron, also known as clear-water iron.Ferric iron, also known as red iron, which turns water a cloudy orange.Iron bacteria, which show up as reddish slime in toilet tanks.The three most common types of iron in well water are: If you haven’t already done so, get a water test to determine the type and amount of iron, in parts per million (ppm), as well as the water’s pH and dissolved oxygen content. Several options are available for removing iron, but the treatment varies depending on the kind of iron you have, along with other factors. Can you suggest another way to get rid of the iron? ![]() A local water-treatment company says that a standard water softener can remove the iron, but I don’t want to drink softened water or have its salty backwash pumped into my yard. Our well water has iron in it, which affects its taste and causes staining. ![]()
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