Dual-Action Algaecide Pro Series 20605PRO 1 Gallon
Dual-Action Algaecide Pro Series 20605PRO 1 Gallon
Remove stubborn black, green, and mustard algae. with the Pro Series Dual-Action Algaecide. Shasta Pool Supply provides your ultimate solution for maintaining a crystal-clear swimming pool. Specifically, this fast-acting algaecide combats all types of pool algae.
Dual-Action Algaecide Pro Series
The Pro Series keeps your pool sparkling clean and algae-free. Furthermore, the Dual-Action has become the trusted choice for quality and effectiveness. Additionally, the algaecide is the solution professional pool care use.

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Key Features
- Rapid Results: Experience visible results within just 24 hours when used as directed.
- Comprehensive Algae Control: Effectively eliminates various algae types, ensuring your pool remains inviting and safe.
- Compatibility: Formulated to complement most swimming pool sanitizers, enhancing overall water quality.
- Non-Staining Formula: Enjoy peace of mind with a product that is non-foaming and non-staining when applied correctly, making it perfect for pools with attached spas or jetted returns.
Technical Specifications
- Size: 1 gallon
- Application Rate: Initial application of 8 fluid ounces per 10,000 gallons of pool water; followed by maintenance doses of 1.5 fluid ounces weekly or 3 fluid ounces bi-weekly.
Usage Instructions:
- Ensure all pool equipment is functioning properly.
- Adjust pH levels between 7.2-7.6 before application.
- For prevention, apply the recommended dose with the pump and filter running.
- For visible algae treatment, shock the pool and apply directly to affected areas.
Specs
- Part Number: 20605PRO
- Manufacturer: Natural Chemistry
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Quick quote, good price and fast delivery
Quick quote, good price and fast delivery
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Quick shipping and great deal on big pool filters. Genuine parts. Thanks!
Quick shipping and great deal on big pool filters. Genuine parts. Thanks!
Sarah
The customer service team quickly responded to my questions and helped me find the best option for my pool. Not only to keep my pool clean, but also save me money over the pool season!
The customer service team quickly responded to my questions and helped me find the best option for my pool. Not only to keep my pool clean, but also save me money over the pool season!
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FAQ
Our expert staff answers customer's most asked questions.
What are the ideal chemical ranges for my pool?
Achieving a balanced pool involves maintaining a pH range of 7.2–7.8, total alkalinity between 80–120 ppm, calcium hardness at 180–220 ppm, and cyanuric acid (stabilizer) within 30–50 ppm. Chlorine levels should consistently fall within the 1–3 ppm range, by may need to be increased as CYA levels go above 60 PPM.
How often should I test my pool water?
Regular testing, ideally once a week, ensures that chemical levels are within the recommended range. This practice ensures that your pool is always ready for enjoyment.
What style of Pop-up head is right for my pool?
This visual guide below will help you identify the appropriate pop-up head for your specific needs.
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