Uploaded April 2023 | Updated September 2026, 2 weeks ago

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I unbox and review the 4 gallon HD4000 battery electric backpack sprayer made by Petra Tools.

Petra Tools Link: petratools.com/?ref=0aqaH4QL5LbC2m

Petra Tools $10 Coupon Code: THELAWNENGINEER

Link to my video detailing the fertilizer, iron, weed killer, and dye I used to spray:
youtu.be/tRS0YcNzmlg