RioCoco 4" x 4" Starter Blocks Meters & Calibration Solutions Formula is sediment-free and is

Formula is sediment-free and is compatible with mechanical dosing systems (Dosatron)

sulfur and heavy metals

This new 100% water soluble humic acid source will not cause buildup in lines

Extensive thermal modeling and testing was conducted to ensure diodes remain well below operating temperature to maintain consistent light output and yields

Carefully read and use according to label directions

RioCoco 4" x 4" Starter Blocks Meters & Calibration Solutions Formula is sediment-free and isPropagate faster and produce healthy plants organically. Excellent water holding and equal distribution of water throughout the starter block ensures optimum management of the air and water. PCM Starter block is made from 100% coir fiber without fine dust particles and its compressed to a square disc and packed in a biodegradable cellulous sack. The airy and fragile structure is maintained throughout the propagation cycle, until transplant into a