Aqua-Dreams Activated Carbon is an effective way of removing contaminants such as metal ions and dyes.  See also the Fluval Activated Carbon

Determine the amount of activated carbon required by using at least 1g of carbon per litre of water.  Rinse in fresh water before use, to remove any dust.

Place the required amount of carbon either in a fine mesh bag or trap between two layers of filter floss, and place in the filter.  It is advisable to replace the carbon every four weeks.

Sizes available: 125g, 600g and 1.5kg