Better than Hydroguard

Was shopping for a deal on more Hydroguard... Ran into this. Anyone using it?? https://southernag.com/residential-products/garden-friendly-fungcde-12x1-pt/
https://www.amazon.com/gp/product/B00VXQG23O?psc=1&redirect=true&ref_=oh_aui_detailpage_o08_s00