Description
Manganese Greensand Media is a filter media coated with manganese oxide that oxidises and traps dissolved iron, manganese and hydrogen sulphide (rotten-egg smell). As water passes through, the coating oxidises these contaminants into solid particles, which are filtered by the bed and removed during backwash. The coating is maintained by continuous chlorine dosing or periodic regeneration, depending on the system design.
It is used on well water at farms, villas, camps and industrial sites in Oman where iron and manganese levels are high or Birm conditions are not met.
Why choose Manganese Greensand Media?
- Removes iron, manganese and hydrogen sulphide in one filter
- Works over a wider pH range than catalytic media
- Handles higher iron and manganese loads
- Proven technology used in municipal and private systems
How it is operated
There are two common ways to run a greensand filter. In continuous regeneration, a small chlorine dose is added before the filter, which keeps the media active and pre-oxidises contaminants. In intermittent regeneration, the media is periodically regenerated with a potassium permanganate solution. Continuous chlorine dosing is usually simpler for most sites. We design the dosing, vessel and backwash for your water analysis.
Typical specifications
| Media | Manganese oxide coated filter media |
| Colour | Dark green to black |
| Typical pH range | Approx. 6.2–8.5 |
| Bed depth | Typically 600–750 mm, often with an anthracite cap |
| Pack | Bags (size subject to supplier) |
Greensand vs Birm
Birm needs good dissolved oxygen and a pH above about 6.8, and does not remove hydrogen sulphide. Manganese Greensand Media handles lower pH, higher manganese and sulphide, but needs oxidant regeneration. Our water test tells us which is the better fit. See also our pretreatment filters, chlorine dosing systems and other filter media. For background, see Wikipedia.
Frequently asked questions
Can it go after an RO? No, it is a pre-treatment media used before RO or for whole-property water.
Is permanganate dangerous? It must be handled carefully. Continuous chlorination avoids routine permanganate handling.
Why buy the Manganese Greensand Media from Farz Water?
Farz Water is a water treatment supplier based in Muscat, serving homes, businesses and projects across the Sultanate of Oman. When you choose the Manganese Greensand Media from us, you get more than a product in a box. Our team checks your water and site conditions first, so the equipment you buy matches your actual needs instead of a generic catalogue size. We explain the options honestly, including when a simpler or lower-cost solution will do the job.
We stock common spares and consumables in Muscat, so filters, lamps, membranes and fittings are available when you need them. Our technicians install and commission equipment, show you how to operate it, and return for scheduled service if you choose an annual maintenance plan. If anything is not working as expected, you can reach us directly by phone or WhatsApp and speak to someone who knows your system.
Order Manganese Greensand Media in Oman
Farz Water supplies media and complete iron removal systems across Oman. Contact us or call / WhatsApp +968 9455 4533.
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