Newalla Fish Company

Algaeoff Pond, String Algae Killer, Green Stain Treatment, EPA Registered Algaecide, Plant, Fish, Bird & Pet Safe, 25 Lbs

$136.95
Shipping calculated at checkout.
Size: 25 Pounds
Pond Sizing Guide

CrystalClear AlgaeOff

Fast-Acting Algae Control for Ponds

Why Choose AlgaeOff?

  • Effective Algae Removal: AlgaeOff works on contact, utilizing advanced oxygen technology to quickly and efficiently remove and kill string algae on rocks, streams, and waterfalls.
  • EPA Registered Algaecide: This EPA-registered granular algae remover acts in seconds, not only controlling string algae but also eliminating foul odors from your pond.

Easy Application:

  • Simple to Use: Just sprinkle the granular formula directly onto areas covered in live algae. For waterfalls or fountains, turn off the water pump before applying for maximum effectiveness.
  • Immediate Results: Watch as AlgaeOff lifts and removes string algae right before your eyes, making it an ideal solution for pond clean-outs, rocks, and liners.

Safe for Wildlife:

  • No Harmful Chemicals: AlgaeOff does not contain copper, making it safe for use in ponds with koi, goldfish, grass carp, and other wildlife when used as directed.

Perfect for Large Ponds and Lakes:

  • Versatile Use: Suitable for large ponds and lakes with algae mats, though it will not treat planktonic algae or Chara.

Product Information:

  • EPA Registration No.: 90185-3-83742
  • Not Shippable To: AK, CT, HI, PR
  • Safe for Fish and Plants: Will not harm fish or ornamental plants when used as directed.

Keep Your Pond Clean and Clear

Choose CrystalClear AlgaeOff to maintain a beautiful, algae-free pond. With its fast-acting formula and ease of use, it's the perfect solution for controlling string algae on rocks, streams, and waterfalls.

Application Granular Powder Granular Powder Granular Powder
Temperature Restriction None None None
Surface Area Treated per Container Up to 1,000 Square Feet Up to 4,000 Square Feet Up to 10,000 Square Feet
Shelf Life 5-Years 5-Years 5-Years

Dosage Rates - Surface Area (Square Feet)

25-50 Light Growth: 1/4 cup (2oz) Heavy Growth: 1/2 cup (4oz)
51-100 Light Growth: 1/2 cup (4oz) Heavy Growth: 1 cup (8oz)
101-150 Light Growth: 3/4 cup (6oz) Heavy Growth: 1-1/2 cups (12oz)
151-200 Light Growth: 1 cup (8oz) Heavy Growth: 2-1/2 cups (20oz)
200-250 Light Growth: 1-1/2 cups (12oz) Heavy Growth: 2-1/2 cups (20oz)
Up to 500 Light Growth: 1-1/2 lb (2-3/4 cups) Heavy Growth: 2-1/2 lb (4-3/4 cups)