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These Mini-Blocks™ are individually wrapped in white plastic to minimize algae growth
a potassium silicate biostimulant that strengthens your high-value plants
Each chiller provides a high-performance titanium heat exchanger for optimum performance and corrosion resistance
You can connect up to 10 mats together
If you're new to growing plants
Harris Diatomaceous Earth, Food Grade, 2lbs with Duster Humboldt County's These Mini-Blocks™ are individually wrappedSafe for human and pet use, our DE is free from all additives, certified organic, professionally packaged, and is the only official diatomaceous earth health supplement on the market.
