J.A. Jack Grey Rock Products
Lawn & Garden Limestone
Lawn & Garden Lime products are ground finer to allow a quicker reaction in the soil. This speeds up the delivery of the benefits of this soil amendment. Lawn & Garden Lime sweetens the spoil, neutralizes fertilizer acidity, stretches your fertilizer dollar and provides essential calcium for greener, thicker turf.
Mineral filler is a fine powder that is ideal for seed coating and animal feed.
J.A. Jack White Rock Products
“S” Brand limestone
Our “S” brand limestone products are ground from stone typically 98% calcium carbonate at our Seattle, Washington plant. “Imperial” brand white “S” products are calcium carbonate fillers and extenders that have excellent purity, and a brightness range of 88 to 94 across the product line. An ideal filler for a wide range of application including coatings, plastics, caulk, and sealants.