Soil Amendments
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Original price $101.50 - Original price $101.50Original price$101.50$101.50 - $101.50Current price $101.50
Thorvin Kelp - 50 lb Bag
4 reviewsThorvin 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...
View full detailsOriginal price $101.50 - Original price $101.50Original price$101.50$101.50 - $101.50Current price $101.50Sale Sale -
Original price $27.90 - Original price $27.90Original price$27.90$27.90 - $27.90Current price $27.90
Elemental Sulfur 90% - 50 lb Bag
2 reviewsPelletized sulfur is used to correct sulfur deficiencies or lower soil pH. Excellent for blueberries and all acid-loving plants. Rates vary by star...
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Original price $27.20 - Original price $27.20Original price$27.20$27.20 - $27.20Current price $27.20
Magnesium Sulfate (Epsom Salt) - Technical Grade - 50 lb Bag (Agriculture)
1 reviewMagnesium 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...
View full detailsOriginal price $27.20 - Original price $27.20Original price$27.20$27.20 - $27.20Current price $27.20Sale Sale -
Original price $77.00 - Original price $77.00Original price$77.00$77.00 - $77.00Current price $77.00
Nature's Kelp from Thorvin - 50 lb Bag
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....
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Original price $28.40 - Original price $28.40Original price$28.40$28.40 - $28.40Current price $28.40
Azomite Micronized Powder - 44 lb Bag
1 reviewAzomite is a naturally mined, volcanic mineral with over 66 minerals and trace elements that are important for plant nutrition and growth. It impro...
View full detailsOriginal price $28.40 - Original price $28.40Original price$28.40$28.40 - $28.40Current price $28.40Sale Sale -
Original price $28.40 - Original price $28.40Original price$28.40$28.40 - $28.40Current price $28.40
Azomite Granular - 44 lb Bag
Azomite is a naturally mined, volcanic mineral with over 66 minerals and trace elements that are important for plant nutrition and growth. It impro...
View full detailsOriginal price $28.40 - Original price $28.40Original price$28.40$28.40 - $28.40Current price $28.40Sale Sale -
Original price $308.50 - Original price $308.50Original price$308.50$308.50 - $308.50Current price $308.50
AgSil 16H Potassium Silicate Powder 52% SiO2 (0-0-32) 50 lb Bag
1 reviewAgSil helps plants to resist toxicity from phosphorous, manganese, aluminum and iron and increases tolerance to salt. AgSil also aids in resistanc...
View full detailsOriginal price $308.50 - Original price $308.50Original price$308.50$308.50 - $308.50Current price $308.50Sale Sale -
Original price $29.50 - Original price $29.50Original price$29.50$29.50 - $29.50Current price $29.50
Sea-90 Soil Mineralizer+ - 50 lb Bag
No reviewsSea-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...
View full detailsOriginal price $29.50 - Original price $29.50Original price$29.50$29.50 - $29.50Current price $29.50Sale Sale -
Original price $41.75 - Original price $41.75Original price$41.75$41.75 - $41.75Current price $41.75
Kmag or SulPoMag Granular (0-0-22+22S+11Mg) - 50 lb Bag
1 reviewIntrepid Trio brand Kmag or SulPoMag is 100% natural Langbeinite, a long-lasting, readily available source of low-chloride potassium (22%), magnesi...
View full detailsOriginal price $41.75 - Original price $41.75Original price$41.75$41.75 - $41.75Current price $41.75Sale Sale -
Original price $36.00 - Original price $36.00Original price$36.00$36.00 - $36.00Current price $36.00
Iron Sulfate Powder 20% - 50 lb Bag
Ferrous (Iron) Sulfate Heptahydrate is a soluble product that can be broadcast, side banded or foliar sprayed. Guaranteed Analysis: 18% Sulfur, 20%...
View full detailsOriginal price $36.00 - Original price $36.00Original price$36.00$36.00 - $36.00Current price $36.00Sale Sale -
Original price $12.50 - Original price $12.50Original price$12.50$12.50 - $12.50Current price $12.50
Copper Sulfate Powder - 1 lb
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...
View full detailsOriginal price $12.50 - Original price $12.50Original price$12.50$12.50 - $12.50Current price $12.50Sale Sale -
Original price $9.75 - Original price $9.75Original price$9.75$9.75 - $9.75Current price $9.75
True Organic Prilled Sulfur 99% - 5 lb Bag
Prilled elemental sulfur is used to correct sulfur deficiencies or lower soil pH. Our elemental sulfur will have a light green color. Excellent fo...
View full detailsOriginal price $9.75 - Original price $9.75Original price$9.75$9.75 - $9.75Current price $9.75Sale Sale -
Original price $126.90 - Original price $126.90Original price$126.90$126.90 - $126.90Current price $126.90
Copper Sulfate Powder - 50 lb Bag
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...
View full detailsOriginal price $126.90 - Original price $126.90Original price$126.90$126.90 - $126.90Current price $126.90Sale Sale -
Original price $86.30 - Original price $86.30Original price$86.30$86.30 - $86.30Current price $86.30
Zinc Sulfate Powder, Ag & Livestock- 50 lb Bag
No reviewsZinc sulfate monohydrate powder is fertilizer and feed grade. Guaranteed Analysis: Water Soluble Zinc (Zn) 35.5%, Sulfur (S) 17%. Zinc sulfate powd...
View full detailsOriginal price $86.30 - Original price $86.30Original price$86.30$86.30 - $86.30Current price $86.30Sale Sale -
Original price $12.50 - Original price $12.50Original price$12.50$12.50 - $12.50Current price $12.50
Zinc Sulfate Powder, Ag & Livestock, 1 lb Bag
Zinc sulfate monohydrate powder is fertilizer and feed grade. Guaranteed Analysis: Water Soluble Zinc (Zn) 35.5%, Sulfur (S) 17%. Zinc sulfate powd...
View full detailsOriginal price $12.50 - Original price $12.50Original price$12.50$12.50 - $12.50Current price $12.50Sale Sale -
Original price $101.50 - Original price $101.50Original price$101.50$101.50 - $101.50Current price $101.50
Solubor 20.5% Boron (Sodium Borate) - 50 lb Bag
Solubor has the highest concentration of boron (20.5%) and the maximum possible dispersion and solubility in water and other solutions even at lowe...
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Original price $12.50 - Original price $12.50Original price$12.50$12.50 - $12.50Current price $12.50
Manganese Sulfate Powder 31.5% - 1 lb Bag
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...
View full detailsOriginal price $12.50 - Original price $12.50Original price$12.50$12.50 - $12.50Current price $12.50Sale Sale -
Original price $33.50 - Original price $33.50Original price$33.50$33.50 - $33.50Current price $33.50
Greensand (0-0-1.4) - 50 lb Bag
Read about alternatives to greensand in our blog.Greensand contains minerals and trace elements that improves the chemical, physical and biological...
View full detailsOriginal price $33.50 - Original price $33.50Original price$33.50$33.50 - $33.50Current price $33.50Sold out -
Original price $17.95 - Original price $17.95Original price$17.95$17.95 - $17.95Current price $17.95
Maxicrop Soluble Seaweed Powder (0-0-17) - 10.7 oz
No reviewsConcentrated Ascophyllum nodosum (brown seaweed) plus potassium hydroxide from the Norwegian coastline. This highly soluble seaweed provides trace ...
View full detailsOriginal price $17.95 - Original price $17.95Original price$17.95$17.95 - $17.95Current price $17.95Sale Sale -
Original price $29.50 - Original price $29.50Original price$29.50$29.50 - $29.50Current price $29.50
Sea-90 Foliar Mineralizer - 50 lb Bag
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...
View full detailsOriginal price $29.50 - Original price $29.50Original price$29.50$29.50 - $29.50Current price $29.50Sale Sale -
Original price $24.75 - Original price $24.75Original price$24.75$24.75 - $24.75Current price $24.75
Vansil W-20 Wollastonite (Ca₂O₄Si) - 50 lb Bag
Wollastonite is a natural calcium silicate mineral. VANSIL wollastonite is sourced domestically and is not chemically treated. Because it is milled...
View full detailsOriginal price $24.75 - Original price $24.75Original price$24.75$24.75 - $24.75Current price $24.75Sale Sale -
Original price $25.80 - Original price $25.80Original price$25.80$25.80 - $25.80Current price $25.80
Biomin® Liquid Copper (1-0-0-4%CU)- Gallon
Biomin Liquid Copper is an amino acid chelated copper for preventing and correcting copper deficiences. It is completely bioavailable and can be ap...
View full detailsOriginal price $25.80 - Original price $25.80Original price$25.80$25.80 - $25.80Current price $25.80Sale Sale -
Original price $25.80 - Original price $25.80Original price$25.80$25.80 - $25.80Current price $25.80
Biomin® Liquid Calcium 5% - 1 Gallon
Biomin Liquid Calcium is an amino acid chelated fertilizer containing 5% calcium derived from calcium carbonate (limestone). It is completely bioav...
View full detailsOriginal price $25.80 - Original price $25.80Original price$25.80$25.80 - $25.80Current price $25.80Sale Sale -
Original price $36.00 - Original price $36.00Original price$36.00$36.00 - $36.00Current price $36.00
Boron 10% Granular - 50 lb Bag
Boron 10 % Cameron Chemicals Brand is pelletized and is derived from ulexite (sodium calcium borate). Use it as part of a fertility plan, broadcast...
View full detailsOriginal price $36.00 - Original price $36.00Original price$36.00$36.00 - $36.00Current price $36.00Sale Sale