Jack's Nutrients 12-4-16 RO, 1kg, 2.2 lb Top Dress Essential component in the line

Essential component in the line of nutrients like Grow and Bloom

The Hudson® RL FloMaster Sprayer translucent tank for liquid visibility

then kiln fired at high temperatures to cause the clay to expand into tough

black color

Possesses an invisible waxy coating

Jack's Nutrients 12-4-16 RO, 1kg, 2.2 lb Top Dress Essential component in the lineFor the Purest in you. This one part nutrient blend is designed for crops grown in very low alkalinity waters such as reverse osmosis (RO) water, rainwater, and distilled water. Formulated utilizing the innovative raw materials to reduce pH crash while delivering all the nutrients essential for vigorous plant growth.