Variant SKU: PSP0207
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Ships within 48 hours · Estimated delivery Aug 28 - Sep 2
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Description
zero aqua herbicide Cutrine Algicide - Algae Killer for PondsOverview Variant SKU: PSP0207 Cutrine Algicide Algae Killer for Ponds Liquid Cutrine Plus Liquid (1 Gallon) is a 9% chelated copper algaecide designed to control a broad range of algae in ponds, lakes, reservoirs, irrigation systems, hatcheries, and more. Effective in both soft and hard water, Cutrine begins working on contact, breaking down algae cell structure and interrupting photosynthesis. Treated water may be used immediately for swimming,
Overview ▾
Algae Controlled ▾
Effective against a wide variety of algae including:
- Chara
- Spirogyra
- Cladophora
- Vaucheria
- Ulothrix
- Microcystis
- Oscillatoria
Controls planktonic algae in 24–48 hours and filamentous algae in 3–4 days.
Application Rates & Instructions ▾
- Apply 0.6 – 1.2 gallons per acre-foot of water.
- General guideline: 1 gallon per 1.5 acre-feet.
- Dilute with a minimum of 9 parts water.
- Spray uniformly over the water surface using coarse droplets.
- Apply during calm, sunny mornings for best results.
- Allow at least 3 hours of contact time.
Begin treatments in spring when water temperatures reach 60°F and above. Early treatment reduces product use and minimizes dead organic buildup.
Treat heavy infestations in sections to prevent oxygen depletion. Allow 1–2 weeks between treatments if retreatment is needed.
Benefits ▾
- Far less corrosive and more stable than many copper algaecides
- Effective in hard water conditions
- Works immediately upon contact
- Long-lasting control (weeks to months depending on conditions)
- Improves pond clarity and water quality
Important Safety Information ▾
Important: Cutrine Plus Liquid may be toxic to trout if carbonate hardness is less than 50 ppm. Most surface waters exceed this limit. Test water hardness if unsure.
- Do NOT use in water containing Koi or hybrid Goldfish.
- Break apart heavy surface mats before application for better penetration.
- Retreat as algae regrowth begins to appear.
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
4.3 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 5
Great daily sunscreen with lightweight feel
Size: 1.7 Fl Oz (Pack of 1), Size: 1.7 Fl Oz (Pack of 1)
I’ve been using this sunscreen daily and I really like it. It feels very light on the skin, absorbs quickly, and does not leave a greasy or heavy feeling. It also works well under makeup and does not cause breakouts. I feel my skin is well protected from the sun and it’s gentle enough for everyday use. I highly recommend it for anyone looking for a reliable sunscreen.
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Great for oily acne-prone skin
Size: 3 Fl Oz (Pack of 1)
I have oily, acne-prone skin, and this sunscreen has worked really well for me. It doesn’t feel overly greasy or too dry, and it sits nicely on my skin without making my face feel heavy.
I’ve been using it for a long time, and honestly, it’s the only sunscreen I keep going back to because it works so well with my skin.
It feels comfortable for daily use and gives good protection without causing extra breakouts for me.
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Reviewed in the United States on May 16, 2026
★★★★★ 5
Great for oily skin!
Size: 3 Fl Oz (Pack of 1)
Definitely leaves white cast, I’m pretty fair skinned, makes me look like a ghost. Just rub it in your hands first, breaks into the mineral so minimize the white cast look. It feels lightweight and as someone with pretty oily skin it does a pretty good job!
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Reviewed in the United States on April 30, 2026
★★★★★ 4
Great for Oily, Rash-Prone Skin, But Be Wary of the Residue
Size: 1.7 Fl Oz (Pack of 1)
This sunscreen is a really solid option if you have sensitive, rash-prone, and oily skin like mine. I’ve found it’s one of the few sunscreens that doesn't cause any irritation, which is a huge benefit for me. On top of that, it leaves a truly matte finish, so I don't feel greasy or shiny throughout the day.
The only reason I can't give it five stars is that it leaves behind small, dried white bits on my face. They can be a bit annoying and make the application look a little messy.
Overall, it's a good sunscreen that works well with my skin type, but the white residue is a definite drawback.
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Reviewed in the United States on August 24, 2025
★★★★★ 5
This stuff is magic!
Size: 1.7 Fl Oz (Pack of 1)
I farm and garden. I spend hours outdoors in the summer, and for years, I’ve hated wearing sunscreen because it made my face feel hot and sticky. This sunscreen is none of that. I received a small sample tube of it from the dermatologist and instantly fell in love with it. It goes on smooth and covers well. But the thing I love about it is that I don’t feel like I’m wearing sunscreen once it absorbs into my skin. I forget about it! It doesn’t combine with my sweat and run into my eyes, making them sting. It doesn’t irritate sensitive skin or clog my pores. This stuff is magic and I will be using it daily. It’s not the least expensive sunscreen out there, but it’s worth it!
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Reviewed in the United States on May 12, 2026