LiquaGen

Birm Media (5–10 lbs) – Iron & Manganese Reduction Filter Media

Name: Birm Media (5–10 lbs) – Iron & Manganese Reduction Filter Media
Brand: LiquaGen
Price: 69.99 USD
Availability: InStock

$79.99 $69.99

Amount in Pounds

5 lbs

6 lbs

7 lbs

8 lbs

9 lbs

10 lbs

Quantity

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Birm® Media (5–10 lbs) – Iron & Manganese Removal

Efficient, Chemical-Free Water Treatment
Birm® is a trusted and economical filtration media designed to reduce dissolved iron and manganese from well and municipal water supplies. Acting as a catalyst, Birm® enhances the natural oxidation process, transforming soluble iron (Fe++) into insoluble ferric hydroxide (Fe+++), which can then be easily filtered out. Unlike other media, Birm® is not consumed during filtration, ensuring long service life and excellent cost efficiency.

⚠️ Note: This item cannot be shipped to California. A 5 lb bag is sufficient to fill a 20" Big Blue Filter.

✅ Key Advantages of Birm® Media

No Chemicals Needed – Requires no regeneration chemicals; only periodic backwashing.
High Efficiency – Exceptional iron and manganese removal under proper conditions.
Durable & Long-Lasting – Low attrition loss with extended media life.
Wide Operating Range – Performs effectively across a broad temperature range.
Low Operating Cost – Minimal maintenance and no chemical costs.

🔹 Physical Properties

Color: Black
Bulk Density: 40–45 lbs/cu. ft.
Mesh Size: 10 × 40
Specific Gravity: 2.0 g/cc
Effective Size: 0.48 mm
Uniformity Coefficient: 2.7

⚙️ Conditions for Operation

pH Range: 6.8–9.0 (8.0–9.0 for manganese removal)
Maximum Water Temp: 100°F (38°C)
Dissolved Oxygen: ≥ 15% of iron/manganese content
Alkalinity: > 2× combined sulfate and chloride concentration
Bed Depth: 30–36 in. | Freeboard: Minimum 50% of bed depth
Backwash Rate: 10–12 gpm/sq. ft. | Bed Expansion: 20–40%
Service Flow Rate: 3.5–5 gpm/sq. ft. (higher possible with favorable conditions)

⚠️ Limitations

Free Chlorine: Must be < 0.5 ppm
No oil or polyphosphates present
Organic matter ≤ 4–5 ppm
Hydrogen sulfide must not be present
Pre-treatment with aeration or pH adjustment (Calcite, Corosex®, or soda ash) may be required if water pH is < 6.8 or dissolved oxygen is low.