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SP-1  is a diverse mix of microbes known to build soil biology. The SP-1 formula supplies the soil with a proprietary blend of beneficial microbials to support a balanced and healthy soil environment. The microbes in SP-1 prefer aerobic conditions and thrive in the upper portion of the soil near the plant roots. 

30gal drum 275gal Tote Available. Please call for pricing

Regular price $210.00
Regular price Sale price $210.00 USD
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  • In Operation Since 1977
  • Owned/Operated by ISA Certified Arborists
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