Question about watering wands and pumps

Discussion in 'Growing Marijuana Indoors' started by lennyjr358, Jul 2, 2017.

  1. Hey guys,

    I just bought a new utility pump and watering wand to make watering easier, however I'm afraid of having the pressure build behind the wand when it's closed, as the pump's instructions say not to restrict flow. Is there an easy way around this problem? maybe like a pressure relief valve?

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