Write a review Your name* Your e-mail* (Not for publication) Rating ★★★★★ Excellent ★★★★☆ Very good ★★★☆☆ Average ★★☆☆☆ Poor ★☆☆☆☆ Terrible Your review * * — Required information Horizen Hydroponics ← View details 2200 Alpine Avenue Northwest, Walker, MI 49544 +1 616-791-1664