Write a review Your name* Your e-mail* (Not for publication) Rating ★★★★★ Excellent ★★★★☆ Very good ★★★☆☆ Average ★★☆☆☆ Poor ★☆☆☆☆ Terrible Your review * * — Required information Great Lakes Hydroponics Co. ← View details 5998 Old US 31 South, Charlevoix, MI 49720 +1 231-237-9153