Quote:
Originally posted by Boomer
Almost exactly true Carlo and you reading into things again that are not there. Those levels Marc has are way beyond any affect as far as Nitrate up take goes and any limiting effect for any form of marine life using nitrate. Excessive levels way above any normal or even above normal liming will not be affect buy rapid drops. We are not talking here about dropping them to ZERO, another issue. If you want to argue 1ppm, as being excessive and dropping them quickly them maybe. And remember that data in the article is from lab tests and is not from full blown reef tanks, another whole issue.
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Boomer, just happened to trip over something that you may want to check out. Kallmeyer, 2004.
"In rather old tanks with higher nutrient concentrations, the corals were well adapted to these conditions and the sudden drop caused massive die-off of colonies that had been growing well over decades. The corals starved and became susceptible to parasites and diseases. If the corals did not starve to death, the parasites killed them."
Marc,
It's definitely per 50-60 gallons of water volume (actually 200 liters) as Billybeau1 suggested.
I think this is part of the reason some larger tank people don't get results from the products. They aren't adding enough to the tank.
Marc, thanks for the clarification on the testing procedure. Haven't seen it before.
Carlo