Absorption of nitrate ions
Flow bags containing a highly-specialized, selective anion exchanger in chloride form. Intended for picking up unfavourable nitrate ions in an aquarium, also in the other anions’ presence (e.g. sulphate anions). During ion exchange, nitrate ions in aquarium water are replaced with chloride ions of anion exchanger. Flow bags can be regenerated in a solution of table salt and can be reused many times.