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Establishing a Setting Rate

Step 1: 

Use Chart 1 to estimate the number of LBS/1,000 square feet of coverage 

(Example: 20LB bag with 10,000 square foot 

coverage = 2.0LBS/1,000 square feet)

Step 2:

 Find the closest LBS/1,000 square feet in Chart 2 that you estimated using Chart 1 

(Example: 2.0LBS/1,000 square 

feet = Spreader Setting of 13)

CHART 2

GRAMS/SQ 

METER

LBS./1,000 

SQ FT

SPREADER 

SETTING

5 Grams

1.0 LBS.

11

10 Grams

2.0 LBS.

13

15 Grams

3.0 LBS.

14

20 Grams

4.0 LBS.

16

25 Grams

5.0 LBS.

17

30 Grams

6.0 LBS.

18

35 Grams

7.0 LBS.

19

40 Grams

8.0 LBS.

20

45 Grams

9.0 LBS.

22

50 Grams

10.0 LBS.

23

CHART 1

BAG COVERAGE IN 

SQUARE FEET

5,000

10,000

15,000

LBS/1,000 SQ FT

B

A

G

W

E

I

G

H

T

5 LBS.

1.0

0.5

0.3

10 LBS.

2.0

1.0

0.7

15 LBS.

3.0

1.5

1.0

18 LBS.

3.6

1.8

1.2

20 LBS.

4.0

2.0

1.3

25 LBS.

5.0

2.5

1.7

30 LBS.

6.0

3.0

2.0

35 LBS.

7.0

3.5

2.3

40 LBS.

8.0

4.0

2.7

45 LBS.

9.0

4.5

3.0

50 LBS.

10.0

5.0

3.3

GRASS SEED

GRAMS/SQ METER LBS/1,000 SQ FT SPREADER SETTING

10 Grams

2 LBS.

13

15 Grams

3 LBS.

14

20 Grams

4 LBS.

16

25 Grams

5 LBS.

17

The settings furnished on the Rate Setting Matrix are intended as a guide only.  

Variations in physical characteristics of material applied, walking speed, and 

roughness of ground surface may require slightly different spreader settings. Due 

to the above conditions, the manufacturer makes no warranty as to the uniformity 

of coverage actually obtained from the settings listed. 

SPREAD WIDTHS FOR DIFFERENT 

PARTICLE SIZES

Particle Size

English

Metric

Small/Fine 

(Sand)

5-7ft.

1.5-2.1m

Medium 

(Half BB)

7-9ft.

2.1-2.7m

Large

(Full BB)

9-12ft.

2.7-3.7m

SPREAD WIDTH FOR DIFFERENT 

SIZE GRASS SEED

Seed Size

English Metric

Fine

5-7ft

1.5-2.1m

Coarse

7-10ft

2.1-3.1m

HOW TO DETERMINE THE SETTING RATE

FULL Rate 

(one pass)

HALF Rate 

(two passes)

SPREAD PATH

© 2015 Earthway Products, Inc.  All rights reserved

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EarthWay Products, Inc. warrants this product free of defects in original workmanship and materials for a period of one 

year to the end user with the original purchase receipt. If a manufacturing non-conformance is found, EarthWay 

Products, Inc. at its discretion will repair or replace the part(s)/product at no charge provided the failure is not the result 

of incorrect installation, mishandling, misuse, tampering, or normal wear and tear as determined by EarthWay. 

EarthWay at its discretion may require that the part(s) or product be returned along with the original purchase receipt for 

examination and compliance with the terms of this warranty. Do not return any product without first receiving 

authorization from EarthWay Products, Inc. 

To seek remedy under this warranty, contact EarthWay Products, Inc. at [email protected] or write to EarthWay 

Products, Inc. 1009 Maple Street, Bristol, IN 46507 and describe the nature of the manufacturing defect. SPECIFIC 

LIMITATIONS: This warranty covers only the part(s) or product; any labor charges associated with repair or replacement 

of non-conformances are specifically excluded. Due to the corrosive nature of most fertilizers and ice melt products, 

EarthWay Products, Inc. makes no warranty against and specifically excludes part(s) or product degradation or failure 

due to corrosion or its effects. 

ONE YEAR WARRANTY

PAGE 3 

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