Oxidizing Filters for Problem Water in Dallas-Fort Worth TX


Oxidizing filters can remove up to 10 ppm of both ferric (oxidized) and ferrous (clear) iron. They work well with all types of private water system pressure tanks. Sulphur removal is also possible when levels are 2.0 ppm or less. In cases where both iron and sulphur are present, it is suggested that a sediment filter/water softener combination be installed for removal of all iron. The sulphur can then be removed by an oxidizing filter installed after the softener. Oxidizing filters require frequent backwashing and regeneration with a chemical, potassium permanganate. Birm media filters use the oxygen present in the water and eliminate the need for potassium permanganate. Automatic and manual types of backwashing systems are available. Do not use oxidizing filters on water supplies that have a pH of 6.8 or less, sulphur in excess of 2.0 ppm or iron amounts exceeding 5 ppm.

Manganese, seldom found alone in a water supply, is usually accompanied by iron. Concentrations as low as 0.2 part per million of manganese will produce dark brown or black staining. Fabrics washed in manganese-bearing waters are almost invariably stained. Deposits collect in plumbing and tap water frequently contains a black sediment and turbidity. Manganese bacteria often causes clogging of pipes.

Because iron appears in different forms and mixes with a variety of other materials, there are a variety of methods of iron removal. A conventional water softener can remove up to 5 ppm of ferrous iron. Specialized water softeners/iron removers, oxidizing and colloidal type iron filters, chlorination and filtration systems, and sediment filters are all effective in reducing iron levels above 5 ppm in given types of water, and are available to meet your specific need.


Turbidity (fine particles) and sediment (coarse particles) may be caused by sand, scale, rust, organic matter, or clay. In addition to an objectionable, cloudy appearance, these substances may cause plugged piping or fouled water treatment equipment. Turbidity does not settle out readily, but remains suspended for several hours. It is normally present in pond, lake, or river water supplies. Turbidity levels should be less than 5 NTU’s (turbidity units) for clear, acceptable water. Sediment/turbidity filters are available to handle such problems and bring water into usable ranges. Ordinary filtration does not generally remove turbidity, but by obtaining an individual water analysis, the best method of treatment may be determined.