dogmatix Posted April 17, 2007 Report Share Posted April 17, 2007 Is there any recomendation ?, Cant find my propogation book to look it up Quote Link to comment Share on other sites More sharing options...
lduncan Posted April 17, 2007 Report Share Posted April 17, 2007 I'm not really a fan of carbon. So 0 cups ;-) Depends what you're using it for though? Yellowing, ozone neutralisation, phosphate remover desensitising... Quote Link to comment Share on other sites More sharing options...
dogmatix Posted April 17, 2007 Author Report Share Posted April 17, 2007 Yellowing more than anything. Quote Link to comment Share on other sites More sharing options...
lduncan Posted April 17, 2007 Report Share Posted April 17, 2007 Half a litre of carbon per 300 litres seems average. Watch for bleaching from changes in light transmission. Seems to be the most obvious initial side effect of carbon. But whether that is a problem depends on flow through the carbon, and how yellow the water is to start with. If the water's really yellow, use less carbon to start and add to it gradually over a few days if you need to. It's pretty much trial and error though. A good overnight presoak in lots of water before using it in the tank is good too. It's often "washed" with various unwanted chemicals as part of the activation process, some are worse than others depending on the source and grade of carbon. Quote Link to comment Share on other sites More sharing options...
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