GreenClean Algaecide 1/2 lb (MPN 3000-0.5) GreenClean Algaecide 1/2 lb (MPN 3000-0.5) Biosafe Systems GreenClean Algaecide 1/2lb Algae 16050 16050 11.95 Webb's Water Gardens
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GreenClean Algaecide 1/2 lb (MPN 3000-0.5)

16050 - GreenClean Algaecide 1/2 lb (MPN 3000-0.5)

Treats, controls, and prevents string algae and green water algae without harming pets, fish, plants or aquatic life.


  • EPA registered
  • Alternative to Copper-Based Products
  • Works on Contact
  • Can be applied in Water Containing Fish & Plants
How Does GreenClean Granular Work? GreenClean is a granular algaecide with an activated peroxygen chemistry that works through a powerful oxidation reaction to break down algae cells on contact. An added benefit, the process releases oxygen into the water as it works to eliminate algae.

How Much GreenClean Do I Apply?
The general rule of thumb for string algae is 1 cup of GreenClean per 1000-gallons of water. GreenClean can also be used as a spot treatment where necessary.

I Have Fish In My Pond: Can I Use GreenClean?
GreenClean will not harm fish or aquatic life. GreenClean once diluted in water is non-harmful to animals such as birds, bees, and pets.

Can I Use GreenClean On My Waterfall?
GreenClean is excellent for treating waterfalls. GreenClean is a contact algaecide, and the granules need to make contact with the algae to be effective. Our recommendation for treating waterfalls is to turn the pumps off, apply GreenClean to the algae, and then turn them back on after 20 minutes.

Will GreenClean Affect The pH Level? GreenClean will raise the pH in a water garden up to 1 pH unit. Although this will comeback down on its own within about a week. If GreenClean is applied more often than once a month, users should monitor for pH levels

Note: This Product is Toxic to Birds in Raw Form
GreenClean Application Rates
Pond Size High Curative Rate (Green Water Algae) Low Curative Rate (Green Water Algae) String Algae
50 gallons 1 tbs .5 tsp 1 tbs
100 gallons 1.5 tbs 1 tsp 1.5 tbs
500 gallons .5 cup 1.5 tbs .5 cup
1,000 gallons 1 cup 3 tbs 1 cup
5,000 gallons 5 cups 1 cup 5 cups
10,000 gallons 10 cups 2 cups 10 cups
Item Number:
Your Price:
Pond Points:
30 Worth $0.30
Stock Info:
In Stock
Your Total:

Biosafe GreenClean Granular Algaecide For Rapid Algae Control Overview

Biosafe GreenClean Granular Algaecide For Rapid Algae Control

Item Size Treats (up to)
GreenClean Algaecide 1/2 lb (MPN 3000-0.5)
16050 - GreenClean Algaecide 1/2 lb (MPN 3000-0.5)
$11.95 | 30 Points
1/2 lb
1,000 gallons
1 lb
2,000 gallons
2.5 lbs
5,000 gallons
8 lbs
16,000 gallons
20 lbs
40,000 gallons
50 lbs
100,000 gallons

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