Graus Chemicals supplies REMOTOX®, a Calcium Polysulfide Solution, to the environmental industry for the remediation of heavy metal-contaminated soil, sediments and groundwater as well as for the removal of heavy metal ions and inorganic compounds from various wastewater streams and flue gases. 

REMOTOX® is manufactured in the Western United States to highest standards, and readily available in various container sizes and in tank truck quantities.

REMOTOX® is a non-toxic reagent that oxidizes under aerobic conditions to form calcium, sulfate and elemental sulfur. It has received a National Sanitation Foundation approval for use in potable aquifers, and is widely used in agricultural applications to fruit trees, berries and as a soil conditioner.

REMOTOX® is manufactured in a USDA Organic certified facility in the United States with regionally sourced raw materials. To help further reduce our carbon footprint, we use high quality reconditioned shipping containers.

What we do


Science and Sustainability


Our approach

To build long term relationships with our customers, becoming a partner rather than just another supplier. 

To deliver a consistent and reliable supply of quality product at a competitive price. 

To provide friendly, responsive and competent customer service. We at Graus Chemicals are here to support our valued customers 24/7.

Remotox Calcium Polysulfide is a nontoxic reducing agent.

Remotox Calcium Polysulfide is manufactured in the United States.

Effective against a wide range of heavy metals and other pollutants of regulatory concern.

Graus Chemicals - a reliable supply source for Calcium Polysulfide