GROTEK – Black-Pearl, 900ml

Description

Black Pearl™
– Enhance your substrates or revitalize already used substrates! –

Black Pearl™ is more than just high-quality charcoal. It is loaded with high-grade ingredients such as biochar, volcanic rock dust, low molecular weight humates, and algae. The harmony between the ingredients in the soil provide a dramatic boost to crops when added to any nutrient program.

Application rate: 900ml mix in 36L of the growing substrate.

KEY FEATURES:

Helps condition the substrate to improve plant performance.
Promotes soil biodiversity and biological activity.
Provides essential nutrients for plant growth.
Derived from Biochar, volcanic ash deposits, algae, low molecular weight humates.

Minimal richness:

Soluble potash (K₂O ………. 1.0%.
Calcium (Ca) ………. 1.0%