Keep your pond clear and inviting with the Blue Planet Pond Algae Control Block. Placed in the pond, the block dissolves gradually, releasing algae-control agents over time to combat green water and help stop algae coming back — no daily dosing needed. Controls and helps prevent algae in freshwater ponds Slow-release action for long-lasting, low-maintenance results Simple to use — just place it where the water circulates well How to use Work out your pond’s volume to choose the right size and number of blocks. Place the block in an area with good water circulation and let it dissolve gradually. Monitor algae levels and reapply as needed, following the pack guidelines. For best results, remove large algae clumps and debris by hand and keep the pond well aerated during treatment. Please read the Ingredients & safety tab before use — the active ingredient should be kept away from pond plants.
