Top 7 Copper Sulfate Crystals – Gardening & Landscaping

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1. Crystal Blue

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Granular Aquatic Grade Copper Sulfate for Pond Algae Control, 5 Pounds, Crystal Blue Copper Sulfate Algaecide

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Crystal Blue #ad - Be aware of how much vegetation you are treating at one time. These types of fish are sensitive to copper sulfate products. 99% copper sulfate pentahydrate.

To be used for large bodies of water, water features, not small decorative ponds, or pools. Granular copper Sulfate, 5 lbs. Most effective when cast out on top of thick floating algae mats. Do not use in bodies of water that include Koi, Trout, Goldfish, or Grass Carp. Controls most species of algae like filamentous, string algae and swimmers itch. Copper sulfate should be used as a pond algae treatment on actively growing algae in water temperature above 60F. Eliminating too much at once can deplete the oxygen levels too quickly for your fish.
BrandCrystal Blue #ad
ManufacturerSanco #ad
Height10 Inches
Length4 Inches
Weight5 pounds
Width4 Inches
Part Number333
Model333
WarrantySee label

2. Alpha Chemicals

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1 Pound, 25.2% Cu, Copper Sulfate Pentahydrate, Crystals

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Alpha Chemicals #ad - Great for crystal growing and other experiments. Crystal Form see second picture. Chemical structure - CuSO4*5H2O. We sell bulk for so many different uses, we don't include any specific use instructions.
BrandAlpha Chemicals #ad
Height8 Inches
Length5 Inches
Weight1.1 pounds
Width3 Inches

3. Alpha Chemicals

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Copper Sulfate Pentahydrate, Crystals, 25.2% Cu, 5 Pounds

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Alpha Chemicals #ad - Great for crystal growing and other experiments. Crystal Form see second picture. We sell bulk for so many different uses, we don't include any specific use instructions. Chemical structure - CuSO4*5H2O.
BrandAlpha Chemicals #ad
ManufacturerAlpha Chemicals #ad
Weight5 pounds

4. Southern Ag

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1 Pound, Southern Ag Copper Sulfate Granular Crystals

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Southern Ag #ad - Application: Spread over treatment area and water in. Helps plants form healthier, stronger roots, stems, flowers, and tubers. Use on: vegetables, shrubs and lawns.

Controls surface algae kills roots that clog sewer lines Contains 99% Copper Sulfate. Trees: 1/2 lb. For: use in potassium low soils. Spray lawns when the air is calm and do not cut the grass 1 to 2 days after an application. Apply to grass lawns only, trees, do not use on or around shrubs, or ornamental plantings. For each in of trunk diameter. Sulfate of potash 0-0-50 fertilizer corrects potassium deficiency in avocado, grapes, palms & roses Strengthens plants, beans, cherries, corn, citrus, making them less susceptible to disease & adverse conditions such as winter Contains. Product Label. See label for other rates.
BrandSouthern Ag #ad
ManufacturerSouthern Ag #ad
Weight0 pounds
Part NumberLEPUSASSFH2999
ModelLEPPUSASHME2999

5. Earthworks Health LLC

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Copper Sulfate Mini Crystals 2.5lb Jar

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Earthworks Health LLC #ad - Great for home or Garden Use. Multi-use Copper Sulfate Pentahydrate. Bulk. 1-2mm crystals. Usa made.
BrandEarthworks Health LLC #ad
ManufacturerEarthworks Health LLC #ad
Part NumberCOPMINI2.5

6. Alpha Chemicals

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25.2% Cu, Copper Sulfate Pentahydrate, 10 Pounds, Crystals

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Alpha Chemicals #ad - Great for crystal growing and other experiments. We sell bulk for so many different uses, we don't include any specific use instructions. Crystal Form see second picture. Chemical structure - CuSO4*5H2O.
BrandAlpha Chemicals #ad
ManufacturerAlpha Chemicals #ad
Weight10 pounds

7. Alpha Chemicals

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Copper Sulfate Pentahydrate, Crystals, 25.2% Cu, 50 Pounds

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Alpha Chemicals #ad - Chemical structure - CuSO4*5H2O. Crystal Form see picture. We sell bulk for so many different uses, we don't include any specific use instructions. Great for crystal growing and other experiments.
BrandAlpha Chemicals #ad
Weight50 pounds
Part Number1