Crystal Blue Copper Sulfate Crystals Pond Treatment, 15 lb.
$79.99
Sale
Was$99.99
Save $20.00
Crystal Blue Copper Sulfate Crystals Pond Treatment, 15 lb.
Limited Time Deal
Crystal Blue Copper Sulfate Crystals Pond Treatment, 15 lb.
Item # 2286848
$79.99
Sale
Was$99.99
Save $20.00
Notice:
This Item cannot be shipped to CT, HI, NJ, NY, ND, SD, VT, WA.Get everything you need
Neighbor’s Club Members earn points with purchases.
Limited Time Deal
Crystal Blue Copper Sulfate Crystals Pond Treatment, 15 lb.
Item # 2286848
$79.99
Sale
Was$99.99
Save $20.00
New Cardmembers earn a $20 Reward‡ with qualifying purchase of $20 or more plus earn 5% in Rewards+ on this purchase. Valid through 6/28/26.
Shopping at
Grassland (franklin) TN
Delivery to
Free standard delivery on online footwear & Clothing purchases of $49 and over.
Notice:
This Item cannot be shipped to CT, HI, NJ, NY, ND, SD, VT, WA.Get everything you need
Neighbor’s Club Members earn points with purchases.
The Crystal Blue Copper Sulfate Crystals Pond Treatment should be used as a pond algae treatment on actively growing algae in water temperature above 60F. Granular copper can be applied in 1 of 3 different ways: broadcast crystals, place crystals in a burlap bag and drag behind boat, or dissolve crystals and spray. About 2 lb. of product treats approximately 15,000 sq. ft.
For additional information on this product, please see the Product Documents section for all downloadable user manuals, installation guides, brochures and warranty statements.
- Copper sulfate should be used as a pond algae treatment on actively growing algae in water temperature above 60F
- 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
- Granular copper can be applied in 1 of 3 different ways: broadcast crystals, place crystals in a burlap bag and drag behind boat, or dissolve crystals and spray
- Application method we recommend is to dissolve the crystals in hot water and spray actively growing algae
- Do Not use this product with koi, goldfish, or trout
- 2 lb. treats approximately 15,000 sq. ft.; always be sure to read the product label before application
- No warranty information available
| Brand | Crystal Blue |
|---|---|
| Country of Origin | Made in USA |
| Active Ingredients | Copper Sulfate |
| Concentrated or Ready to Use | Ready to Use |
| Form | Granules |
| Longevity | 14 days |
| Maximum Pond Size | 1.5 million gal. |
| Maximum Recommended Pond Depth | 20 ft. |
| Package Quantity | 1 |
| Package Size | 15 lb. |
| Product Height | 10.75 |
| Product Length | 6.625 |
| Product Weight | 16 |
| Product Width | 9.125 |
| Treatment Type | Cleaners and Treatments |
| Manufacturer Part Number | 222 |
Start typing your question and we'll check if it was already asked and answered.
1 - 10 of 48 Questions
Newest questions
Q: Will this kill ich on my catfish and is it save to use with catfish
4 days ago1 Answer
- A: Hi Neighbor- Yes, copper sulfate can kill the free-swimming stage of the Ich parasite. However, using Crystal Blue Copper Sulfate 15 lb pond treatment on catfish is highly risky and generally not recommendeda day agoHelpful?
Q: will this kill ich on catfish
4 days ago1 Answer
- A: Hi Neighbor- Yes, copper sulfate is used in aquaculture to manage parasites like Ich in catfish ponds. However, channel catfish are highly sensitive to copper. Improper dosing using Crystal Blue Copper Sulfate Crystals can cause fish kills and make the infection harder to treata day agoHelpful?
Q: How is product introduced in to pond ? Pour in on part where alge thickest or just kinda pour it around?
2 months ago1 Answer
- AI-assistedA: Hi Neighbor! The product can be applied in three ways: broadcast the crystals directly onto the algae, place crystals in a burlap bag and drag behind a boat, or dissolve the crystals in hot water and spray on actively growing algae. The recommended method is dissolving in hot water and spraying.2 months agoHelpful?
Q: Can this be used in a foot bath to help control foot rot in sheep. If so, how much in a gallon of water?
5 months ago1 Answer
- A: Hi Neighbor! The Crystal Blue Copper Sulfate Crystals Pond Treatment should be used as a pond algae treatment on actively growing algae in water temperature above 60F. We can not recommend a product for anything other than its intended use.5 months agoHelpful?
Q: Good for killing landscape roots?
7 months ago1 Answer
- A: Hi Neighbor! Copper sulfate should be used as a pond algae treatment on actively growing algae in water temperature above 60F7 months agoHelpful?
Q: Will it kill lilly pads?
10 months ago1 Answer
- A: Hi Neighbor! No, this product will not kill water lilies and pads. This product is an algaecide and its primary purpose is to kill/control algae in ponds.10 months agoHelpful?
Q: Can this be used to clear roots from a sewer
11 months ago1 Answer
- A: Hi Joe! Copper sulfate should be used as a pond algae treatment on actively growing algae in water temperature above 60F.11 months agoHelpful?
Q: For spraying how much crystals per gallon of water
11 months ago1 Answer
- A: Hi Robert! Please see pages 3-5 in the Crystal Blue 390835A Brochure 1 found under the "product documents" tab.11 months agoHelpful?
Q: Can it be used for septic tanks?
a year ago1 Answer
- A: Hi Chris this is not recommended for use in septic systems due to potential harm to the beneficial bacteria that break down waste11 months agoHelpful?
Q: Is this safe for septic tank to control tree roots in laterals
a year ago1 Answer
- A: Hi Neighbor! Active Ingredients Copper Sulfate This is for Pondsa year agoHelpful?
1 - 10 of 48 Questions
Q&As
Start typing your question and we'll check if it was already asked and answered.
1 - 10 of 48 Questions
Newest questions
Q: Will this kill ich on my catfish and is it save to use with catfish
4 days ago1 Answer
- A: Hi Neighbor- Yes, copper sulfate can kill the free-swimming stage of the Ich parasite. However, using Crystal Blue Copper Sulfate 15 lb pond treatment on catfish is highly risky and generally not recommendeda day agoHelpful?
Q: will this kill ich on catfish
4 days ago1 Answer
- A: Hi Neighbor- Yes, copper sulfate is used in aquaculture to manage parasites like Ich in catfish ponds. However, channel catfish are highly sensitive to copper. Improper dosing using Crystal Blue Copper Sulfate Crystals can cause fish kills and make the infection harder to treata day agoHelpful?
Q: How is product introduced in to pond ? Pour in on part where alge thickest or just kinda pour it around?
2 months ago1 Answer
- AI-assistedA: Hi Neighbor! The product can be applied in three ways: broadcast the crystals directly onto the algae, place crystals in a burlap bag and drag behind a boat, or dissolve the crystals in hot water and spray on actively growing algae. The recommended method is dissolving in hot water and spraying.2 months agoHelpful?
Q: Can this be used in a foot bath to help control foot rot in sheep. If so, how much in a gallon of water?
5 months ago1 Answer
- A: Hi Neighbor! The Crystal Blue Copper Sulfate Crystals Pond Treatment should be used as a pond algae treatment on actively growing algae in water temperature above 60F. We can not recommend a product for anything other than its intended use.5 months agoHelpful?
Q: Good for killing landscape roots?
7 months ago1 Answer
- A: Hi Neighbor! Copper sulfate should be used as a pond algae treatment on actively growing algae in water temperature above 60F7 months agoHelpful?
Q: Will it kill lilly pads?
10 months ago1 Answer
- A: Hi Neighbor! No, this product will not kill water lilies and pads. This product is an algaecide and its primary purpose is to kill/control algae in ponds.10 months agoHelpful?
Q: Can this be used to clear roots from a sewer
11 months ago1 Answer
- A: Hi Joe! Copper sulfate should be used as a pond algae treatment on actively growing algae in water temperature above 60F.11 months agoHelpful?
Q: For spraying how much crystals per gallon of water
11 months ago1 Answer
- A: Hi Robert! Please see pages 3-5 in the Crystal Blue 390835A Brochure 1 found under the "product documents" tab.11 months agoHelpful?
Q: Can it be used for septic tanks?
a year ago1 Answer
- A: Hi Chris this is not recommended for use in septic systems due to potential harm to the beneficial bacteria that break down waste11 months agoHelpful?
Q: Is this safe for septic tank to control tree roots in laterals
a year ago1 Answer
- A: Hi Neighbor! Active Ingredients Copper Sulfate This is for Pondsa year agoHelpful?
1 - 10 of 48 Questions
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1 to 4 of 368 Reviews .
1 – 4 of 368 Reviews
Most Recent
OH
Review 1
5 out of 5 stars.
Controls Alge
9 months ago
Good results on Day one. Alge blooms on the edge of pond gone. No dead fish.
Yes, I recommend this product.
Russellville, ky
Review 1
4 out of 5 stars.
Great stuff
a year ago
Great stuff but why is it $30.00 more at TSC in Russellville then any TSC around. It
Yes, I recommend this product.
Grass Valley. Calif
Review 1
5 out of 5 stars.
Copper sulfate kills pond weeds
a year ago
Kills weeds in our 1/2 acre pond. I use the boat, hand held whirly bird fertilizer gizmo. Wear safety goggles, mask, leather jacket, because copper sulfate is toxic. I float over the weeds and give it a sprinkle. After a few weeks plants should be brown. If you missed some go back for a second dose. Only do about 1/3 of the pond at a time other wise you can kill all the fish like I did one time.
SweepstakesYes
Anonymous
South Louisiana
Review 1
2 out of 5 stars.
Kills algae but also kills fish.
a year ago
Killed some of our fish.
No, I do not recommend this product.