PhoSul™ is plant-available phosphate fertilizer. In the soil, phosphate in rock phosphate is biologically transformed into plant-available phosphate and gypsum.
Available in 50 lb. bags, 2000 lb. supersacks, bulk and special order small quantities.
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I did get the PhoSul and applied it around July 1. It has made a huge difference in my lawn. I was quite deficient in P as evidenced by a soil test I did, so I was experiencing lackluster growth and quick burnout because my root system wasn’t strong. I applied PhoSul and was fortunate to get a good amount of rain in the weeks after. Within just a few weeks I noticed a better green, better and more consistent growth, etc. and didn’t apply any other fertilizer during that time. I won’t do another soil test until spring but am quite sure this got me in line with where it needed to be! I shared the product on my Instagram social media and had a good response there too. Big believer in this product and the other Propeat products!