Reddit reviews Gypsum- 2 oz.
We found 2 Reddit comments about Gypsum- 2 oz.. Here are the top ones, ranked by their Reddit score.
Model Number: G2-3I6T-9H2JItem Package Length: 4.599999995308"Item Package Width: 1.699999998266"Item Package Height: 1.49999999847"
No, more like this: http://www.amazon.com/gp/aw/d/B00AW48R1I/ref=mp_s_a_1_3?qid=1450052421&sr=8-3&pi=SY200_QL40&keywords=gypsum&dpPl=1&dpID=41FG6NPbRQL&ref=plSrch
That looks like lawn fertilizer ;). Don't use that. Your LHBS should have water stuff, or order online like this one.
I got mine at my LHBS. If you don't have one nearby, Amazon has it.