TurfRx Si is specifically formulated to provide efficient calcium and silicon nutrition. Silicon enhances the proper uptake and organization of calcium for cell wall structure. 

ACARXSIG2X2.5 (1) 2x2.5 case

Previous winners may bid on this item and there is no limit on how many times a previous winner may win.

No installation is required. 

Shipping is included.

Proceeds benefit the GCSAA Foundation.