The main ingredient is a highly safe, seawater-derived magnesium component! It is effective even against Karenia, which has been difficult to eliminate until now.
When the red tide control agent "Clear Water RA" is sprayed, particles attach to the red tide, causing loss of motility and death. It has a high control effect against Karenia mikimotoi, which has been difficult to eliminate until now, and spraying it during red tide occurrences contributes to reducing damage to fish. The main component is magnesium extracted from seawater, which is also highly safe for fish. This agent has been confirmed for its red tide control effect through the Ministry of the Environment's ETV program. ★Usage location: Areas where red tide occurs ★This agent was developed as part of a project commissioned by the Fisheries Agency. A manual is available on the Fisheries Agency website. 【Effect】 ◆Karenia mikimotoi: Particularly effective ◆Cochlodinium polykrikoides: Particularly effective ◆Chattonella antiqua: Effective ◆Heterosigma akashiwo: Effective 【Mechanism】 ■By spraying the agent dissolved in seawater at the red tide occurrence site, the particles of the agent attach to the red tide and cause death. ■Since this agent is weakly alkaline, it prevents the acidification of the sediment after settling on the seabed and is expected to reduce the leaching of phosphorus. *For more details, please feel free to contact us.
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Proven in the ETV business.
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Effects on various red tides
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Mechanism of Red Tide Suppression
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Control effectiveness against Karenia mikimotoi
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Ube Materials Corporation is a manufacturer of specialty inorganic materials based in Ube City, Yamaguchi Prefecture. Using limestone, which is abundantly produced in Mine City, as raw material, the company produces calcium-related products such as quicklime and hydrated lime, as well as extracting magnesium from seawater using quicklime as a raw material to manufacture products like magnesium hydroxide and magnesia clinker (refractory material). Additionally, as a unique business, the company has developed a healthcare division that directly serves consumers by selling lime as a dehumidifying agent, and now offers products such as toothpaste, bath cosmetics, and other cosmetics through co-ops, mass retailers, mail order, and online sales.









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