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Operation
5.
Aerate normally.
Ounces of Additive per 1000 square feet
Tank
Concentration
1:100
(percent)
(1%)
10
2.1
20
4.2
30
6.4
40
8.5
50
10.6
60
12.7
70
14.8
80
17.0
90
19.1
100
21.2
To get the application rate for hole spacings other
than three inches, multiply the three-inch rate by the
multiplier shown in the table below.
Hole
Multiplier
Spacing
1.5"
2.00
3"
1.00
4.5"
0.66
6"
0.50
For instance, when using a 4.5-inch hole spacing for
the above example, multiply the 5.0 ounce per 1000
square feet rate by 0.66. This will calculate to an
application rate of 3.3 ounces of additive per 1000
square feet at the 4.5-inch hole spacing.
16
Application Rate
(3.0-inch hole spacing)
Injector Ratio
1:128
(0.8%)
1.7
3.3
5.0
6.6
8.3
9.9
11.6
13.2
14.9
16.6
1:200
1:500
(0.5%)
(0.2%)
1.1
0.4
2.1
0.8
3.2
1.3
4.2
1.7
5.3
2.1
6.4
2.5
7.4
3.0
8.5
3.4
9.5
3.8
10.6
4.2
Calibration
1.
Determine the application rate.
2.
Start the HydroJect and aerate to ensure the
injector is primed.
3.
Drain about 20 ounces out of the chemical tank
into a separate container.
4.
Mark the level on the chemical tank.
5.
Measure out 100 feet on some test turf.
6.
Calculate the amount of tank mixture used to get
a given application rate using the following
formula:
Ounces of Tank Mixture =
Ounces of Additive
2
per 1000 ft.
1000 x
The path width = 2.75 feet.
x
Path Length x
Path Width
Tank Concentration
100
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