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By incorporating ZeroTol 2
Professionally designed for plant training it has a smoother surface and will not damage plants
Provides full beard coverage
but the lid is not dishwasher or oven safe
such as suboptimal soil pH levels
PURE SUBSTRATES Plastic 4" Starter Block, Buffered + Superwashed (192/case) Propagation By incorporating ZeroTol 2PURE STARTER BLOCK WITH 40MM HOLE 10X10X7CM COMMERCIAL GRADE GROW BLOCKS MANUFACTURED FROM HIGH GRADE COCO RAW MATERIAL. PURE starter blocks are made especially for cannabis Organic product Produced in ISO 9001: 2015 factory consistent quality assured. Wetting agent ensures nutrients are immediately plant available pH buffered using our patented, sustainable and totally organic process. Less toxic for the environment and surrounding water sources. The
