The Natural Chemistry Green Aid Algaecide 17642COR is a powerful pool algae treatment made to target stubborn algae blooms and help restore clean, clear water fast. This 2 lb formula is designed to fight green, mustard, brown, and pink algae, and performs especially well in pools with higher pH levels. When paired with a chlorine-based shock, Green Aid helps turn problem water around quickly without adding metals that can stain pool surfaces.

Key Benefits

• Targets Multiple Algae Types: Helps eliminate green, mustard, brown, and pink algae in swimming pools.
• Works Well in Difficult Water Conditions: Performs effectively in pools with elevated pH levels and is not impacted by high cyanuric acid levels.
• Metal-Free Formula: Contains no metals, helping reduce the risk of staining or surface discoloration.
• Fast Cleanup Support: When used with an EPA-registered chlorine shock, it can help restore pool clarity in as little as 24 hours.
• Compatible with Many Pool Systems: Safe for use on all pool surfaces, including pools using saltwater chlorine generators.

Key Features

• Designed to treat active algae problems in residential swimming pools.
• Effective against green, mustard, brown, and pink algae.
• Ideal for pools with pH levels of 7.8 or higher.
• Unaffected by higher cyanuric acid levels.
• Does not add metals to pool water.
• 2 lb treatment format for straightforward application.

What’s Included

• (1) Natural Chemistry Green Aid Algaecide 17642COR
• Net Weight: 2 lbs

Specifications

• Brand: Natural Chemistry
• Product Name: Green Aid Algaecide
• Model Number: 17642COR
• Size: 2 lbs
• Application Rate: 2 lbs per 15,000 gallons of pool water
• Algae Types Targeted: Green, mustard, brown, and pink algae
• Recommended Use: Use with EPA-registered chlorine-based shock
• Compatible With: All pool surfaces, including saltwater pools
• Formula Type: Metal-free algae treatment

Installation & Operation Tips

• Brush the pool thoroughly before application for improved contact with affected areas.
• Make sure circulation and filtration systems are running before treatment.
• Apply Green Aid directly to the pool — do not pre-mix it with chlorine.
• Distribute part of the product around the perimeter and the rest over heavier algae buildup.
• After a short wait, follow with the recommended amount of chlorine shock.
• Run the filtration system continuously for 24 hours during treatment.

Maintenance Guidelines

• Monitor water clarity and algae-heavy areas during the first 24 hours after treatment.
• Repeat chlorine addition at the recommended intervals if needed during cleanup.
• Restore pool chemistry to normal operating levels after treatment is complete.
• Rinse the container thoroughly before disposal.
• Store in a dry area and keep away from chlorine until ready for separate pool application.

Ideal For

• Pools dealing with visible green, mustard, brown, or pink algae.
• Pool owners needing an algae treatment for higher pH conditions.
• Saltwater pools requiring a metal-free algae solution.
• Pools where cyanuric acid levels may already be elevated.
• Users looking for a direct-application algae treatment used alongside chlorine shock.

Directions

• Do not pre-mix Green Aid with chlorine.
• Do not add Green Aid to a bucket, pail, skimmer basket, or filter suction line.
• Do not vacuum the pool immediately after application.
• Shake the container well before use; lumping during transit is normal.
• Adjust pool chemistry before treatment: pH at or above 7.8, alkalinity 80–120 ppm, cyanuric acid 25–75 ppm, and chlorine level 2–2.5 ppm.
• Add 2 lbs of Green Aid directly to the pool per 15,000 gallons of water.
• Spread roughly half around the perimeter, starting where algae growth is heaviest, and apply the rest directly over problem areas.
• Wait 5 minutes, then add 2 lbs of powdered chlorine (or equivalent) per 15,000 gallons of water.
• Circulate pool water continuously through the filter for 24 hours, using only the drain if possible.
• Additional chlorine may be added after 12 and 24 hours if needed.
• Once cleanup is complete, return pool equipment and water chemistry to normal operating conditions.

Important Use Notes

• Never combine Green Aid and chlorine outside of the pool.
• A strong reaction may occur if improperly mixed with chlorine before pool application.
• Do not exceed the recommended dosage.
• Always follow label directions carefully for safe and effective treatment.

FAQ

What types of algae does this product treat?

• It is formulated to help treat green, mustard, brown, and pink algae in pools.

Can this be used in saltwater pools?

• Yes — the metal-free formula is suitable for all pool surfaces, including saltwater pool systems.

Does Green Aid work by itself?

• For best results, it should be used together with an EPA-registered chlorine-based shock.

How much should I use?

• The recommended dosage is 2 lbs per 15,000 gallons of pool water.

How quickly can I expect results?

• When used as directed with chlorine shock, pools may begin clearing within about 24 hours.

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