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Blue Planet Pond Algae Control Blocks For Fish Pond Care 4 x 15gm

Blue Planet Pond Algae Control Blocks For Fish Pond Care Keeps Algae At Bay And Prevents Regrowth

Active Constituent

  • 13.75g/kg Durion

Formulated to control excessive algae growth in freshwater fish ponds

  • Algae can be a common problem, causing water discolouration which affects the overall health of your pond ecosystem
  • This innovative product effectively kills existing algae and further prevents new algae growth from occurring
  • Works to restore and maintain the clarity of your pond water and maintain a visually appealing, healthy pond environment
  • Easy to use
  • Simply place the blocks in your pond, and they will gradually release the active ingredient, Durion, into the water to combat algae growth
  • The handy 4 pack provides you with an ample supply for ongoing algae control
  • Made in Australia 

Directions For Use

  • 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 enough blocks to cover all areas of the pond
  • Blocks will dissolve over 7-14 days depending on water conditions and circulation
  • If possible, control the amount of sunlight 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 

Usage Guide

  • To calculate approx. pond capacity: Length (cm) x Width (cm) x Depth (cm) and divide by 1000 for litres


  • Distribute products evenly throughout the pond
  • Use 1 block for ponds 100-20L, 2 blocks for ponds 210-400L


  • Do not overdose
  • Not to be used for any purpose or in any manner contrary to this label unless authorised 
  • Do not use more than the recommended dose as fish and plants may be harmed or damaged
  • Do NOT use in ponds containing fish intended for human consumption 
  • This product will irritate the eyes
  • Avoid contact with eyes and skin 
  • When opening the container and preparing the product, wear rubber gloves
  • Wash hands after use
  • After each day's use, wash gloves and contaminated clothing 

Active Constituent

  • 13.75g/kg Durion