Ridder FertiMiX-Go! - Even Fertilizer Dosing; Testing the Fertimix

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Please exercise caution when working with acid.

5.6.1 Even fertilizer dosing

Due to differences in viscosity, some fertilizers may flow through the venturi faster

than others. This can cause uneven dosing. This can be prevented by further opening

or closing the needle valves. This ensures that the liquid levels in all dosing channels

are the same and operating at the preset capacity. The fluid level can be read using

the sight glass in the dosing channel.

Figure 5-6: Fertilizer dosing

No. Name No. Name

1 Needle valve 2 Sight glass / flow meter

5.7 Testing the FertiMiX

To test the FertiMiX, you can initiate a short irrigation cycle. Please check the

following:

1. Is water being pumped into and out of mixing tank?

2. Is the system pump working without excessive noise?

3. Are fertilizers (and acid) being dosed? You can check this by looking at the sight

glasses on the dosing channels.

4. Are the EC, pH and flow meters showing realistic values?

5. Are the EC and pH setpoints (target values) being achieved?

6. Is the right amount of water being irrigated?

7. Are there any alarms?

FertiMiX