Applied Biochemists Cutrine®-Plus Granular Algae Control


Cannot be shipped to: AK, CA, CT, DE, HI, MA, ME, NJ, NY, PR, RI, VT, WA or Canada

  • 530106 - 30 Pounds
  • $99.99
  • 3+ 30lb Bags - $89.99 Each
  • Fast-Acting Granular Formula
  • Great For Bottom Growing Algae & Chara
  • No Water Use Restrictions

Cutrine®-Plus Granular Algaecide has the same active ingredient as the liquid version, is fast-acting, plus works great on bottom forming algae, like Chara. Contact time should be a minimum of 3 hours, and unless steps are taken to reduce the overall nutrients in your pond, multiple applications may be needed for seasonal control.

Tech Specs

Usage Information

Cutrine-Plus Granular Algaecide 12 Pound
12 Pound
Cutrine-Plus Granular Algaecide 30 Pound
30 Pound
Application Granular Granular
Temperature Restriction Above 60°F Above 60°F
Square Footage Per Container Up to 8,800 Square Feet Up to 22,200 Square Feet
Shelf Life 5 Years 5 Years

Dosage Rates

Treatment Area
1,000 Square Feet 1.35 Pounds
2,000 Square Feet 2.7 Pounds
4,000 Square Feet 5.4 Pounds
8,000 Square Feet 10.8 Pounds

Please note: Above are recommendations. Always read the product label.

How To Apply

Broadcast the Cutrine®-Plus onto the area to be treated using a granular spreader. For best results, apply early in the morning before heavy mats form. Cutrine®-Plus works best on a sunny, calm day. Treat only up to half of the pond's surface and wait 10-14 days before a second treatment. In hot weather or when fish are stressed, treat only 1/4 - 1/3 of the pond at a time. Over time, the algae or chara will begin to brown and die. Once it is completely dead, use a rake, like the Pond & Beach Rake, to remove dead algae away to prevent an accumulation of dead algae and muck.

When To Apply

Cutrine®-Plus should be applied when algae is actively growing. Begin applications when algae first appears. Unless steps are taken to reduce the overall nutrients in the pond, multiple applications may be needed for full season algae control.


  • Do not use in ponds with koi, grass carp or goldfish. Not for use in water garden or koi ponds.
  • Do not use in ponds with trout, unless carbonate hardness is above 50ppm.


Replacement Parts

Here are the replacement parts for Applied Biochemists Cutrine ® -Plus Granular Algae Control.

Weeds Treated

The first step towards effectively treating any pond weed is proper identification. Applied Biochemists Cutrine®-Plus Granular Algae Control is recommended for use against each of the weeds listed below. Click on your desired weed for more information and alternate control options.

  • Chara
  • Filamentous Algae
  • Planktonic Algae

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