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Ships within 48 hours · Estimated delivery Jul 3 - Jul 8
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Description
harpoon aquatic herbicide Harpoon Granular Aquatic Herbicide – 40 lbs bag – PondscapeHARP40 Harpoon Granular Aquatic Herbicide 40 lbs bagTreat from the bottom up! Harpoon sinks down to effective control bottom growing, copper sensitive aquatic plant speciesIdeal for sites where water use cannot be restricted. Treated water may be used immediately for irrigation, animal consumption, swimming or fishingEffectively controls hydrilla, naiads, coontail, elodea, water hyacinth and more. In waters with low alkalinity (hardness), Harpoon may
HARP40 Harpoon Granular Aquatic Herbicide – 40 lbs bagTreat from the bottom up! Harpoon sinks down to effective control bottom-growing, copper sensitive aquatic plant species
Ideal for sites where water use cannot be restricted.
Treated water may be used immediately for irrigation, animal consumption, swimming or fishing
Effectively controls hydrilla, naiads, coontail, elodea, water hyacinth and more.
In waters with low alkalinity (hardness), Harpoon may also control Eurasian watermilfoil, sago, curly leaf and select other weeds in the pondweed family
Can be applied as a spot treatment or large scale treatment
Dosage rate is 40 to 240 pounds per acre-foot
Active ingredient is 9.87% Copper Ethylenediamine Complex
Always read and follow label directions
No shipment to AK, CA, CT, ID, HI, ME, MA, NH, NY, RI, VT, WA & Canada
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 1030 reviews
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Product Reviews
★★★★★ 5
Good product
Style: SPF 50 (Pack of 2), Size: 5.5 Ounce (Pack of 2)
Good produce. Great price.
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Reviewed in the United States on March 26, 2026
★★★★★ 5
Easy and effective
Style: SPF 50 (Pack of 2), Size: 5.5 Ounce (Pack of 2)
Good price for good protection
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Reviewed in the United States on December 5, 2025
★★★★★ 5
Best sunblock
Style: SPF 50 (Pack of 3), Size: 5.5 Fl Oz (Pack of 3)
One of my favorite sunblocks! Easy spray. Is very lite on the skin and doesn’t feel greasy. Don’t have to run in either! Works great, this is our go to for beach and pools days
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Reviewed in the United States on October 20, 2025
★★★★★ 4
Good value
Style: SPF 50 (Pack of 3), Size: 5.5 Fl Oz (Pack of 3)
Purchased this because it was a better value than I could get in the store. Sprays well without clogging and goes on smooth.
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Reviewed in the United States on January 27, 2026
★★★★★ 5
Great product
Style: SPF 50 (Bundle Pack), Size: 5.99 Fl Oz (Pack of 2)
We use this on the kids when they’re out in the sun each day playing. This is a great sunblock. We absolutely love it.
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Reviewed in the United States on January 8, 2026