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Phoslock

goes right to the root cause of why many ponds persistently experience poor water quality—excessive phosphorus levels. Phoslock allows pond owners to make one early season application and significantly reduce phosphorus levels, improving water quality.

For best results, use a Surfactant such as Cygnet Plus or Cide Kick ll with this product. 

Use Rate:

See Label

Susceptible Weeds and Algae

Phosphorus control: Not intended for control of weeds and algae

Water Use Restrictions

No restrictions per label

the Product Label