Less than 1 liter per bag, not the 1.5 liter advertised. So no savings! A more serious problem is that most pellets are broken up, so will go right through the media bags and create a nightmare for tank cleaning, not to mention the possibility of damaging the filter pump impellers if the fragments get into the impeller housing. In the future I will stick with the tried and tested and use Seachem!
EcoBio-Block Stone: Natural Water Clarifier & Odor Remover for Aquariums (Medium) - Treats 15-40 Gallons Efficiently
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ACCU-CLEAR Water Clarifier for Freshwater Aquariums - Quickly Clears Cloudy Water, Ideal for Weekly Use
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