Blue Planet Pond Algae Control Blocks 4x15g Pack

Blue Planet Pond Algae Control Blocks effectively control most algae common to freshwater fish ponds. The block kills growing algae and prevents algae from recurring.

Active Constituent : 13.75g/Kg DIURON

Made in Australia

Directions for use:

  • To control algae, add one piece per 200L of water. This block is best used as a preventative or when algae first appears or after cleaning an algae infested pond.
  • Place pieces to cover all areas of the pond.
  • Algae Blocks dissolve over 7-14 days depending on water conditions and circulation
  • If possible control the amount of light or artificial light to reduce the growth of algae.
  • Repeat only when algae reappear
  • To prevent oxygen depletion remove heavy algae growths mechanically before treatment and aerate the water after use.
  • DO NOT overdose

Usage Guide:

  • To calculate approximate pond capacity: Length (cm) x Width (cm) x Height (cm) and divide by 1000 for Litres.


Brand Blue Planet
Model # EL151
Barcode # 9312239025510
Shipping Weight 0.1000kg