Complete Compost Quality Test Kit Compost Quality Test Kit Test for nitrogen (NO3, NO2, & NH4), sulfide, pH, conductivity, ORP & sodium. Includes case; electronic scales; pH, EC, ORP & pNa pocket testers; standards & instructions. *This item contains hazardous materials and therefore MUST be sent via UPS ground and cannot be shipped overseas or outside of the continental US. This kit MAY also be subject to a small hazardous material fee. In this event we shall contact you after the order with the details of this extra charge, this is to protect you from being overcharged*
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Miscellaneous Compost Supplies 
