Setting the standard in professional growing! Sunshine Mix 4 is recommended where high air capacity and fast drainage are needed: during winter months, with frequently watered or salt sensitive crops, or where frequent leaching is required. Excellent for nursery stock, perennials, cutting propagation, hanging baskets and interior-scape.
Dolomitic limestone to adjust media pH to 5.0-7.0 and to provide calcium and magnesium.
Gypsum is added as a source of sulfur and calcium.
In addition, Sunshine #4 has a highly soluble nutrient charge equivalent to about one liquid feeding with a complete fertilizer, plus trace elements at a normal rate.