Product Details:
AlgaeSTOP is a fast-acting pond algaecide for water gardens, koi ponds, fountains and aquariums. The concentrated liquid formula controls green water, string algae and blanketweed, and will not harm decorative fish or aquatic plants when used as directed. One 8 fl. oz. bottle treats up to 4,800 gallons — clean, clear water with less maintenance.
FEATURES
Stops algae growth in water gardens, koi ponds, aquariums, and fountains.
Controls green water, blanket weed, and string algae
Will not harm decorative fish or aquatic plants when used as directed
Industry-leading concentrated formula
Safe for pumps and filtration equipment
Nuisance algae is the most common problem in any ornamental water feature. Green water turns a pond the color of pea soup, string algae wraps itself around pump intakes and waterfall rock, and blanketweed smothers marginal plants. AlgaeSTOP is a concentrated pond algaecide formulated to bring all three under control and keep water clean and clear through the season.
How AlgaeSTOP works
AlgaeSTOP targets and disrupts nuisance algae in ornamental ponds, fountains and water gardens, helping restore clarity and maintain a balanced aquatic environment. Its fast-acting polymeric active ingredient interferes with the growth processes of green water, string and hair algae, acting directly on existing blooms to prevent photosynthesis and reproduction. As treated algae die off, they are easily removed through filtration or manual cleaning, and a weekly maintenance dose helps prevent new growth from taking hold.
Because AlgaeSTOP works throughout the water column rather than only on contact, it suits suspended planktonic blooms as well as filamentous growth on rock and liner. The liquid concentrate mixes readily into pond water and disperses evenly around the feature.
Key features
- Stops algae growth in water gardens, koi ponds, aquariums and fountains
- Controls green water, blanketweed and string algae
- Will not harm decorative fish or aquatic plants when used as directed
- Mixes easily and works alongside your existing pump and filtration system
- Concentrated formula — 8 fl. oz. treats up to 4,800 gallons (18,170 L)
How to use
It is a violation of Federal law to use this product in a manner inconsistent with its labeling. For ornamental, synthetically lined pond use only, where all water is contained without any outflow. Before use, read and follow all label directions. Use only in established ponds at least four weeks old. Note: Warm weather – before using, make certain that the pond has vigorous aeration, i.e., an aeration device to avoid fish loss due to low oxygen levels. When algae is controlled and removed by the filter or settles to the bottom of the pond, the oxygen level may drop to harmful levels if adequate aeration is not provided. In warm weather, pond water carries much less oxygen. Therefore, when using during warm weather and high water temperatures, vigorous, 24-hour aeration is required for the duration of the treatment. Do not shut off pond pumps and aeration devices at night. To ensure accurate dosing, determine pond volume before use. Do not overdose. Add 1 fl. oz. (30 ml) for each 600 gallons (2,268 L) of pond water. Thoroughly mix into pond water by adding near the pump outflow or aeration device. It can be mixed in a bucket of pond water and dispersed evenly around the pond. Repeat dose every three (3) days until algae is controlled. Be prepared to siphon out dead filamentous algae. Once algal/algae is under control, dose weekly. Weekly doses will control algal/algae and reduce maintenance. Do not use with freshwater crustaceans, including: shrimp, crabs, and lobsters. Safe for use in ponds containing decorative fish, aquatic plants, pets, and wildlife when used as directed.
Pond size calculation
L (ft) × W (ft) × Avg. depth (ft) × 7.5 = gallons
L (m) × W (m) × Avg. depth (m) × 1,000 = liters
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