Spectrum

Heavy Metals (PPM)

Arsenic       <5

Cadmium     <0.5

Mercury        <0.05

Lead         <5

Nickel         2.4 Heavy Metals (PPM)

Arsenic       <5

Cadmium     <0.5

Mercury        <0.05

Lead         <5

Nickel         2.4

Spectrum is a biological soil inoculant. It contains dozens of species of bacteria that have beneficial effects in the rhizosphere.

Spectrum is often drenched or fertigated multiple times through the season to maintain high microbial populations.