Close this search box.

Future Harvest Royal Black 4L



2 in stock


Royal Black is OMRI Listed for Organic Use.
Royal Black chelates nutrients like magnesium, calcium, and iron. It provides natural carrier compounds that transport nutrients and vitamins into your plants to more efficiently enhance their growth.
It stimulates roots and enzymatic function, increases vitality in seedlings and clones, and assists in the more efficient utilization of nutrients and vitamins.
• Enriched with a small amount of potassium silicate for extra plant benefits such as stronger cell walls and increased chlorophyll production.
• There is no need for any extra silicon products when using Royal Black!
• Suitable for soil and coco and works well with any branded fertilizer or additive.
• Pre-treat pots with Royal Black, especially when using coco (this does not contain any humate matter like soil) to get plants off to a good start!
Guaranteed Analysis:
Soluble Potash 1%
Product Comparison:
• General Hydroponics: Diamond Black
• Green Planet: GPH
• GroTek: LXR Black