Quote:
Originally Posted by pisanoal
Bioballs and marine pure are very different media for one thing. Marine Pure IS capable of doing all three, much more efficiently then live rock. I'm confused why you say it can't when this type of sintered glass media was designed to do just that. Same with siporax.
Calling live rock a weak denitrifier im sure is relative. Can macro algae remove nitrate much faster? Yes, given good conditions and sufficient mass it probably will. But it takes light and a certain amount of care (pruning, flipping if its not properly spinning, etc.) to keep it growing. I can throw several liters of siporax or a few marine pure blocks in my sump and have a really effective de-nitrification process. Evidence of this is abound in the sps forums.
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I am not operating an SPS tank. I do not consider de-nitrification relevant to my reefkeeping methods. It happens and that is fine, but I do not use it as a primary nutrient export method. I don’t encourage nitrogen gas export because I can not sell nitrogen gas, but I can sell corals and frags as a nutrient export method.