Soil Amendments

Thorvin Kelp is a single sourced kelp from Icelandic waters and is certified organic and OMRI-listed. The kelp is processed at a low temperature in...

Pelletized sulfur is used to correct sulfur deficiencies or lower soil pH. Excellent for blueberries and all acid-loving plants. Rates vary by star...

Magnesium Sulfate (Epsom Salt) Technical Grade - Mg 9.8%, S 12.9%. Quick acting magnesium & sulfur fertilizer. It can be used for a soil or fol...

Nature’s Kelp from Thorvin is a certified organic dried kelp (Ascophyllum Nodosum) from the North Atlantic that is a rich source of trace minerals....

Azomite is a naturally mined, volcanic mineral with over 66 minerals and trace elements that are important for plant nutrition and growth. It impro...

Azomite is a naturally mined, volcanic mineral with over 66 minerals and trace elements that are important for plant nutrition and growth. It impro...

 AgSil helps plants to resist toxicity from phosphorous, manganese, aluminum and iron and increases tolerance to salt. AgSil also aids in resistanc...

Sea-90 Soil Mineralizer+ now includes 1% Humic Acid as well as 0.1% K2O, 1.5% Ca, 0.5% Mg and 1% S. Sea-90 is natural salt crystals produced by so...

Intrepid Trio brand Kmag or SulPoMag is 100% natural Langbeinite, a long-lasting, readily available source of low-chloride potassium (22%), magnesi...

Ferrous (Iron) Sulfate Heptahydrate is a soluble product that can be broadcast, side banded or foliar sprayed. Guaranteed Analysis: 18% Sulfur, 20%...

Copper sulfate powder is a composed of 25.2% copper and 12.5% sulfur. It provides a water soluble, readily available form of copper, an essential m...

Copper sulfate powder is a composed of 25.2% copper and 12.5% sulfur. It provides a water soluble, readily available form of copper, an essential m...

Zinc sulfate monohydrate powder is fertilizer and feed grade. Guaranteed Analysis: Water Soluble Zinc (Zn) 35.5%, Sulfur (S) 17%. Zinc sulfate powd...

Zinc sulfate monohydrate powder is fertilizer and feed grade. Guaranteed Analysis: Water Soluble Zinc (Zn) 35.5%, Sulfur (S) 17%. Zinc sulfate powd...

Solubor has the highest concentration of boron (20.5%) and the maximum possible dispersion and solubility in water and other solutions even at lowe...

Manganese Sulfate with 31.5% manganese and 18% sulfur is used for soils deficient in manganese (Mn). Manganese Sulfate Powder is soluble and can be...

Sea-90 Foliar Mineralizer now includes 0.1% K2O, 1% Ca, and 0.5% Mg. Sea-90 is made from natural salt crystals produced by solar dehydrating sea wa...

Wollastonite is a natural calcium silicate mineral. VANSIL wollastonite is sourced domestically and is not chemically treated. Because it is milled...

Biomin Liquid Copper is an amino acid chelated copper for preventing and correcting copper deficiences. It is completely bioavailable and can be ap...

Biomin Liquid Calcium is an amino acid chelated fertilizer containing 5% calcium derived from calcium carbonate (limestone). It is completely bioav...

Boron 10 % Cameron Chemicals Brand is pelletized and is derived from ulexite (sodium calcium borate). Use it as part of a fertility plan, broadcast...

Manganese Sulfate with 18% sulfur. For soils deficient in Manganese (Mn), apply this fast-acting source of 32% Mn to the soil. Can be applied by br...