Greensand Plus™

Inversand Greensand Plus
0.5 Cubic Foot Bag

Our Price: US$99.95

(In Stock)

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direct replacement for manganese greensand with a number of advantages

Inversand's Greensand Plus™ is modern version of manganese greensand where a manganese dioxide coating is applied to silica sand. It is effective at higher operating temperatures and over higher pressure differentials than traditional manganese greensand. This allows for longer run times between backwashes.

In recent years, modern media choices like Filox, Katalox Light®, and Birm® have surpassed manganese greensand in popularity. This is largely due to the fact that manganese greensand requires periodic or continuous regeneration with potassium permanganate ("Pot-Perm"), whereas these modern media do not. Like manganese greensand, it is recommended that Greensand Plus™ be either intermittently or continuously (recommended) regenerated. However, regeneration is generally done with chlorine (sodium hypochlorite) instead of potassium permanganate. See the manufacturer's specification sheet below for details.

Since Filox and Katalox Light® have become available to us, we have found little or no need to continue using manganese greensand or Greensand Plus™ in new systems as these alternative medias do not require chemical regeneration and are capable of treating similar or even higher levels of iron, manganese, and hydrogen sulfide (rotten egg odor) as manganese greensand. However, we do find that many customers with existing manganese greensand systems would prefer to re-bed their existing systems with manganese greensand or Greensand Plus™ than switch to an alternative media.

  • proven technology
  • concurrent treatment of iron, manganese and hydrogen sulfide (rotten egg odor)
  • effective over wide pH range
  • ANSI/NSF 61 validated (by WQA)
  • high tolerance of oxidizers such as chlorine

Operating Conditions / Requirements:
Service Flow Rate: 2-6 GPM/ft2 (8-12 GPM/ft2 short term)
Flow Direction: Downward Flow
Typical Pressure Drop: <3 psi
Backwash Flow Rate: 10-14 GPM/ft2
Typical Freeboard: 40%
Minimum Bed Depth: 30 Inches
Recommended Bed Depth: 30 to 36 Inches
Maximum Feed Temperature: 100F
Recommended pH: 6.2 to 8.5
Weight: 88 lbs per Ft3
Greensand Plus Spec Sheet
Specification Sheet
NSF/ANSI 61 Validated
Recommended Configurations for Residential and Light Commercial Applications
8 x 44 9 x 48 10 x 54 12 x 52 13 x 54 14 x 65 16 x 65
Greensand Plus™ Volume
(Cubic Feet):
0.75 1.0 1.5 2.0 2.5 3.5 4.5
Bed Depth
26* 27* 33 30 32 39 39
Rec. Service
Flow Rate (GPM):
1.7 2.2 2.7 3.9 4.6 5.3 7.0
Maximum Rec.
Flow Rate (GPM):
4.2 5.3 6.5 9.4 11.1 12.8 16.8
Backwash Flow Rate
@ 40F (GPM):
3.5 4.5 5.5 8.0 10.0 12.0 15.0
Backwash Flow Rate
@ 70F (GPM):
5.0 6.0 8.0 10.0 12.0 15.0 20.0

* Bed Depth not optimal due to tank height.

Katalox Light® is a registered trademark of Watch Water.
Birm® is a federally registered trademark of Clack Corporation.
Greensand Plus™ is a trademark of Inversand Company.