Description

Rijo Anti-Alg is a powerful liquid algaecide specially developed to prevent and combat algae growth in swimming pools, spas, and hot tubs. This product works preventively against various types of algae (green, brown, black) and helps keep the water crystal clear, without negatively affecting water quality or the filtration system.

The liquid formula is easy to dose, instantly soluble in water, and compatible with chlorine, bromine, and saltwater systems. The product can be used at startup, for regular maintenance, and as an intensive treatment for sudden algae growth.

🧾 Usage and Dosage

Instructions for use

1. Check the pH level of the water (target range: 7.2 – 7.6).

2. Start with a shock treatment with chlorine in case of cloudy or green water.

3. Add the correct amount of Anti-Alg, preferably into the skimmer or directly into circulating water.

4. Let the pump run for at least 24 hours.

5. Brush any slippery surfaces and clean filters if necessary.

6. Repeat preventive dosage weekly.

✅ Safety regulations

• Always add product to water, never the other way around.

• Wear gloves and safety goggles when dosing.

• Avoid contact with skin, eyes, and clothing.

• Keep out of reach of children.

• Do not mix with other chemicals.

💡 Extra tips for clear water

• Combine Anti-Alg with shock chlorination for maximum effectiveness.

• Check pH and chlorine levels weekly.

• Use a flocculant to remove fine floating particles.

• Brush the walls and floor regularly to break down biofilm.

Specifications

• Type: Liquid algaecide
• Content: 1 liter
• Purpose: Prevention
• control of algae growth in swimming pool: control of algae growth in swimming pool
• spa water: spa water
• Suitable for: Swimming pools, spas, hot tubs (indoor & outdoor)
• Active ingredient: Quaternary ammonium compounds (algaecide)
• Compatibility: Works with chlorine, bromine,
• saltwater systems: saltwater systems
• Effect: Non-foaming, non-corrosive, does not affect pH level
• Initial treatment dosage: 30 ml per 1,000 liters of water
• Maintenance dosage: 8 ml per 1,000 liters of water per week
• Winter treatment dosage: 50 ml per 1,000 liters of water
• Product pH level: Neutral
• Storage advice: Store in a cool, dry place in the original packaging
• Shelf life: At least 24 months when stored correctly
• Safety: Use gloves
• safety goggles, keep out of reach of children: safety goggles, keep out of reach of children
• Approval: Intended for water treatment only, not for consumption
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Pros and cons

• Effective prevention & control of green, brown,
• black algae.
• Long-lasting effect: prevents regrowth with regular maintenance.
• Foam-free & safe: does not damage filters, pipes, or spa components.
• Compatible with other water treatment products (chlorine, salt).
• Easy dosing
• suitable for both shock
• maintenance treatments.
• Prevents cloudy water, improves the effectiveness of disinfectants.
• Avoid contact with skin
• eyes; always implement safety measures.