"Stoutman" [email protected] wrote in message ...
Contrary to popular marine aquarium lore, you DO NOT NEED to do partial
water changes. My nitrites and nitrates are UNDETECTABLE using store
bought LFS test kits. I have not done a water change in over a year (very
close to two).
[...]
"...disguising the need to do water changes." ...hmm If something
causes your nitrites and nitrates to be very low than why would you NEED
to do a water change? Just for fun?

So you are saying that over time the water chemistry
will not change in the closed system like a reef tank ?

You know, there are much more different ions there
beside NO3-... With partial water change you replenish
ions used up by growing animals/plants in your tank.
You also remove organic byproducts your skimmer left behind.