Crystal or granular copper sulfate should typically be dosed at five pounds per acre.
Where to buy copper sulfate for ponds.
Copper sulfate pentahydrate also known as copper sulphate pentahydrate or simply copper sulfate or copper sulphate is the chemical used to grow bright blue copper sulfate crystals it s easy to find online but there are shipping restrictions to some locations plus the weight of the chemical typically makes shipping comparable to the price of the chemical.
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However we use discretion with this control method because high concentrations are toxic to fish and food organisms.
When getting rid of algae in a pond it is always important to treat 1 2 of the pond algae at a time to avoid killing too much algae and depleting the water of oxygen.
Copper sulfate should be used as a pond algae treatment on actively growing algae in water temperature above 60f.
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Crystal blue copper sulfate pond algae control 15lb.
1 16 of 124 results for copper sulfate for ponds copper sulfate fine crystals 50lb bag 99 pure.
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Granular crystal copper sulfate application.
Copper sulfate is most efficient in water temperatures of 60 f or higher.
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If there are fish in the pond and the algae and aquatic plants cover a pond suddenly copper treatment is not advisable.
You would mix 5 pounds of granular copper sulfate with 3 gallons of hot water then spray it over half of your pond wait a few days and spray the other half.
Say for example that you have a one acre pond.