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| I have a 4420 also and do not use my foam tank. I reworked some plumbing and did some common sense beefing up/protection of the fence row nozzle area itself and was very happy with it last year. Generally I have Roundup in the "main" tank with other products. I can leave out the Roundup and even spice things up in foamer tank for the fence row. I am using the existing pump on the foam tank to do this. If I would change anything I would replace that pump with a bigger one to get a little more coverage. | |
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Fence row nozzles on self-propelled sprayer
