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

A Calcium Polysulfide Solution

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, located here in the United States, with regionally sourced raw materials. REMOTOX® is transported in bulk by tank truck or in reconditioned and re-usable containers.


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 used for the remediation of heavy metals.

Graus Chemicals - Your Calcium Polysulfide supplier.

REMOTOX® - A Calcium Polysulfide Solution designed for the remediation of heavy metals in soil, groundwater, and air.