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Pond Algae Control

Algae control is an ongoing challenge when maintaining a healthy pond. When algae grows out of control, it can make your pond look very unsightly and dirty. You need a chemical to kill algae in the pond, but one that doesn't harm the fish. All the products we carry for pond algae control are safe for both fish, pets and pond plants. Some pond chemicals for algae are designed to clear the pond quickly and are more of a topical contact control such as the Rock and Waterfall cleaner, while others are meant for long-term use such as the bacteria options. Another option to consider for koi pond algae control is a system that uses an ion-producing probe that releases small amounts of copper to control algae in your fish pond or pondless waterfall.

Algaecide for koi ponds, watergardens and waterfalls is the best way to control green water and green string algae. These products are safe for fish and is the most popular way to control algae in your pond.

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Aquascape Clear for Ponds 16 oz for koi ponds Aquascape Clear for Ponds 32 oz for koi ponds Aquascape Clear for Ponds 1 gal for koi ponds
Clear for Ponds - 16 oz
Our Price: $19.98
Clear for Ponds - 32 oz
Our Price: $29.95
Clear for Ponds - 1 gal
Our Price: $79.98
1 pump treats 100 gal.
1 bottle treats 10,000 gal.


This treatment clears cloudy or discolored water and reduces debris on rocks and gravel. It is safe for fish and plants.

1 pump treats 100 gal.
1 bottle treats 20,000 gal.


This treatment clears cloudy or discolored water and reduces debris on rocks and gravel. It is safe for fish and plants.
1 pump treats 600 gal.
1 bottle treats 80,000 gal.


This treatment clears cloudy or discolored water and reduces debris on rocks and gravel. It is safe for fish and plants.
Aquascape SAB Stream and Pond Cleaner for backyard koi ponds Aquascape SAB Stream and Pond Cleaner 8.8 oz for koi ponds Algaecide 16 oz. Bottle for Koi Ponds
Algaecide - 16oz
Our Price: $13.00

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1 scoop treats 120 gal.

1 container treats 4,920 gal.

This cleaner breaks down debris in ponds, as well as reduces pond maintenance. It contains a strong combination of bacteria and enzymes and binds phosphates. It is s
afe for fish, plants, pets, and wildlife.
1 scoop treats 120 gal.
1 container treats 2,400 gal.

This cleaner breaks down debris in ponds, as well as reduces pond maintenance. It contains a strong combination of bacteria and enzymes and binds phosphates. It is s
afe for fish, plants, pets, and wildlife.
This fish safe algaecide for backyard fish ponds help control green pea soup water and green string algae.

1 tsp treats 50 gallons

2 tbsp treats 200 gallons

One bottle treats 5,000 Gallons
Aquascape Algaecide 32 oz. Aquascape Algaecide 1 Gallon Aquascape SAB Stream and Pond Cleaner 7 lbs for koi ponds
Aquascape Algaecide - 32 oz
Our Price: $19.50

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Algaecide - 1 gal
Our Price: $52.00

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This fish safe algaecide for backyard fish ponds works well for algae control against green pea soup water and green string algae.

1 tsp treats 50 gallons

2 tbsp treats 300 gallons

One bottle treats 10,000 gallons
1 tsp. treats 50 gal
1 bottle treats 40,000 gal

This treatment controls algae growth and clears green water. It is safe for fish and plants.
1 scoop treats 1,420 gal.
1 container treats 31,240 gal.

This cleaner breaks down debris in ponds, as well as reduces pond maintenance. It contains a strong combination of bacteria and enzymes and binds phosphates. It is s
afe for fish, plants, pets, and wildlife.
Aquascape Rapid Clear 32 oz. Refill Pouch Aquascape Rapid Clear Flocculant - 1 gal Aquascape EcoBlast 7lbs for koi ponds
EcoBlast - 7 lbs
Our Price: $69.98
1 oz treats 600 gal
1 bottle treats 20,000 gal

This treatment quickly clears cloudy pond water by clumping suspended debris. It works within 24 hours. It is s
afe for fish, plants, pets, and wildlife.
1 pump treats 600 gal
1 bottle treats 80,000 gal

This treatment quickly clears cloudy pond water by clumping suspended debris. It works within 24 hours. It is s
afe for fish, plants, pets, and wildlife.
1 container treats 2,275 sq. ft.

This treatment eliminates algae from your water features on contact, can be used at any water temperature, and is safe for plants and fish.
Aquascape EcoBlast 8.8oz for koi ponds Aquascape EcoBlast 38.4oz for koi ponds Aquascape Rapid Clear Flocculant 16oz
EcoBlast - 8.8oz
Our Price: $14.98
EcoBlast - 38.4 oz
Our Price: $34.98
1 container treats 200 sq. ft.

This treatment eliminates algae from your water features on contact, can be used at any water temperature, and is safe for plants and fish.
1 container treats 780 sq. ft.

This treatment eliminates algae from your water features on contact, can be used at any water temperature, and is safe for plants and fish.
1 pump treats 100 gal
1 bottle treats 10,000 gal


This treatment quickly clears cloudy pond water by clumping
suspended debris. It works within 24 hours. It is s
afe for fish, plants, pets, and wildlife.
bag of Aquascape Rock and Waterfall Cleaner bag of Aquascape Rock and Waterfall Cleaner bag of Aquascape Rock and Waterfall Cleaner
This Aquascape treatment uses oxidation to break down and kill string algae in your waterfalls, streams, rocks and any other feature in your backyard water garden. Safe for plants and fish. This Aquascape treatment uses oxidation to break down and kill string algae in your waterfalls, streams, rocks and any other feature in your backyard water garden. Safe for plants and fish. This Aquascape treatment uses oxidation to break down and kill string algae in your waterfalls, streams, rocks and any other feature in your backyard water garden. Safe for plants and fish.
Aquascape IonGen Probe for G2 System Aquascape IonGen Control Panel - G2 Aquascape IonGen System G2
IonGen Probe for G2 System
Our Price: $101.58
IonGen Control Panel - G2
Our Price: $147.98
IonGen System G2
Our Price: $327.99
This is the Aquascape IonGen probe replacement G2. It comes with a five foot cord with the two pin connection. This two pin connection then plugs into your Aquascape Iongen control panel.

These Iongen probes typically last 1-2 seasons depending on the setting and size of your backyard pond.
Aquascape replacement control panel for the IonGen system G2. This Aquascape system controls unsightly algae in your backyard feature without using any chemicals. Easy, tool-free installation. It is energy efficient (less than $1 a month in electricity cost). Includes electronic control panel, transformer, flow chamber, probe, multiple fittings and a 3-Year Limited Warranty.