New - treats 5000 litres (1100 gallons) for up to 3 months
Two of the major causes of blanketweed and green water are high phosphate and nitrate levels. This granular formula absorbs and traps phosphate, nitrite and nitrate gradually and safely. It is easy to use as you just need to pop the it (handily supplied in a mesh bag) into your filter.
Easy to apply
Quickly reduces phosphate
Creates a crystal clear water garden
Safe for fish and plants
When exhausted makes great biological filter material
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