04-23-2007, 12:26 PM
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Many months back I researched dechlorinators.
I had used Seachem Prime since reentering fish keeping but determined from my research, IMHO, it to be superior to other products.
The research, although fairly extensive, proved that my opinion would be formed from qualitative and not quantitative information as that published by the vendors is typically very qualitative.
Hence my recommendation was formed from an extrapolation of the information set forth in the literature based on (the following occurred 30 to 35 years ago) a few analytical, nonorganic and physical chemistry courses and reading an organic chemistry book.
Several Items to Note With Respect to the Marketing For Prime
Please note that the below assertions are IMHO.
Tap water conditioner removes chlorine and chloramine
Nope. Does not remove these but only reduces them to molecules which are less toxic to fish.
Detoxifies ammonia, nitrate, nitrite, and heavy metals
Only partially valid.
One molecule in Prime reduces the ammonia to nitrite and hydrogen and another molecule reduces the free nitrite to a fairly stable molecule* (although still toxic in significant concentrations).
The nitrite molecules stay in the water until digested by bacteria in the biological filtration media.
Nitrates and heavy metals are affected very little, if at all.
*probably a salt