spawner wrote:What are you wanting to use if for? Why don't you want to use activated carbon.
Additionally,http://www.seachem.com/Products/product_pages/Purigen.html wrote:"Purigen® controls ammonia, nitrites and nitrates by removing nitrogenous organic waste that would otherwise release these harmful compounds. Purigen’s™ impact on trace elements is minimal. It significantly raises redox."
The 'indicator' property and regeneration make it attractive. I would like to conduct some trails.http://www.seachem.com/Products/product_pages/Purigen.html wrote:"Purigen® darkens progressively as it exhausts, and is easily renewed by treating with bleach. Purigen® is designed for both marine and freshwater use."
spawner wrote:Do they say in saltwater or freshwater for the removal of nitrogenous compounds?
Luis A M wrote:And these Purigen claims sound too "infomercial"(snake oil?)
sunny d polyp wrote:Isn't there research going on that has substantial proof that activated carbon causes lateral line disease in Tangs? That would be reason enough.
Suzy wrote: I am not sure why one would use a product to remove nitrogen compounds when bacteria removes them?
Luis A M wrote:+1
And as Spotte explained years ago,if some trace elements are removed,much more are added in water changes and feeding.
Greshamh wrote:More current reading on the subject:
http://reefkeeping.com/issues/2005-10/rhf/index.php
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