Carbon is extremely porous and adsorbant. It removes organic impurities from the water. So does purigen. It removes nitrates as well.
johnptc;648836; said:CARBON REMOVES ORGANIC COMPOUNDS AND CHLORINE FROM THE WATER.
señor_pescados_felices;648951; said:the second part I did not know,makes me wanna stop using dechlor.......
Guinness;649717; said:Time isn't really an issue, but it has been leaching for more than 6 months. I'm going to try a litre of Purigen.