diaphram or piston type hand sprayer

Discussion in 'Pesticide & Herbicide Application' started by trying 2b organic, Mar 2, 2004.

  1. trying 2b organic

    trying 2b organic LawnSite Senior Member
    Messages: 566

    I think my hand sprayer is piston type. It is the Spraymate 16.
    Ive been told that for applying wettable powder such as ferrous sulfate (for moss) that I need a diaphram type sprayer. Why might that be? Is it true?

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