Bionatural Feature Pond Block 35g

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Lasts for up to 3 months.

Bionatural Feature Block is harmless to fish, pets, plants and wildlife when used as directed. Add one frog block to treat 1000 litres of pond water. This block is best used as a preventative, when algae first appears or after cleaning an algae infested pond. As the block slowly dissolves friendly bacteria are released to help starve the algae of necessary nutrients without harming fish and pond plants.

TO CALCULATE APPROXIMATE POND CAPACITY:
Length (m) x Width (m) x Average Depth. (measurements in metres x 1000 for litres). For More information for Round or Shaped Ponds is in the Help Centre.