Product Description
AQUA MAG® 8550 blended phosphate is a dry blended phosphate formulated to provide effective corrosion inhibition and metal sequestration in potable and industrial water systems. Utilizing a broad spectrum of phosphates, AQUA MAG 8550 helps protect distribution infrastructure while improving overall water quality and system reliability
Applications
AQUA MAG 8550 is designed to control corrosion and address common water quality challenges in drinking water systems. It inhibits corrosion of steel, iron, galvanized piping, and lead and copper plumbing while reducing iron tuberculation and minimizing lead and copper leaching. AQUA MAG 8550 also controls iron and manganese, reduces discoloration and staining, and diminishes calcium scale deposits, helping utilities reduce customer complaints, lower chlorine demand, and extend system life.

Product Specifications
| Parameter | Specifications and Comments |
|---|---|
| Phosphate Type | Blended Phosphates |
| Form | Dry Powder |
| pH (1% w:w) | 5.0–6.0 |
| Bulk Density | 50 lbs/ft³ |
| Shelf Life | 1 year (sealed bags), 2.5 years (sealed pails) |
| NSF Maximum Feed Rate | 10 mg/L |
| Applications | Corrosion Inhibition, Sequestration |
Contact Carus for additional product specifications or system-specific recommendations.
Partner with Carus for Proven Corrosion and Sequestration Solutions
AQUA MAG 8550 offers a reliable solution for corrosion control, metal sequestration, and scale reduction in municipal drinking water systems. Backed by Carus’s technical expertise and long-standing experience, our phosphate solutions help utilities protect infrastructure, improve water quality, and operate more efficiently.
Ready to learn more? Contact us today to discuss how AQUA MAG 8550 can support your water treatment goals.
Need guidance? Our team of experts is available to provide technical support and dosing recommendations tailored to your system.

