I smell snake oil.
DLeung10, can we back up for a moment and take a look at some of those claims in groups?
"LONGER LIFE - Fish often live three to four times longer than in any other closed system, fresh or marine."--If they only tested this as a five year trial, they are fooling themselves. This fails to take into account anything more than annual killies and some other fish with very short captive life spans.
"REMOVES TOXIC ELEMENTS - Including Copper & Phenol"--They aren't even smart enough to realize that Phenol isn't an element. That, right there, should be enough to show that they don't have the produce, but I'll read on with you.
"IMMEDIATE ACCLIMATION - with ravenous appetite."--How? Does it release the "all clear" hormones for each individual type of fish? Does it turn into a dither for some of the shy ones?
"QUICKER RESPONSES - Neurological reactions like fishes in natural habitat. "--Um, it thinks for them? Acts like them? What?
"FRESHWATER FISHES - of all species thrive"--Of course, you still have to feed them right, and I don't think that Chemi-Pure does that for you...
"ESPECIALLY GOOD FOR AFRICAN CICHLIDS & DISCUS"--Huh. Both of them? The same product makes water great for both of them? I understand that you have to add some trace elements for each, but Chemi-Pure keeps those in the right proportions throughout the five year period?
"NO WATER CHANGE NECESSARY - for at least 5 years (length of test only) PERHAPS NEVER!"--And this product just automatically removes ammonia and nitrites. Where does it remove them to? Does it have nitrifying bacteria? What happens when you change it; do those levels go sky high?
"CRYSTAL CLEAR WATER - Always sparkling blue-white water"--Water should not be sparkling blue-white. That's not crystal clear--that's crystal clear in front of a blue backdrop. Plus, their above claim about all species thriving in this obviously fails to take into account the fact that some of them need algae to survive and Chemi-Pure kind of removes the chance of algal growth for them.
"NO CLEANING - Necessary for health of fish."--bullhonky. It gets down into the sometimes extant anaerobic layer of the gravel?
"CONSTANT pH - Always within the safe range "--Nope, not buying it. The product automatically knows the safe range? How does its cleaning power not affect the pH?
"NO OSMOTIC SHOCK - 90% eliminated"--No/90% eliminated. Very conflicting. Why is there no osmotic shock if it removes impurities from water like crazy? Should it not remove trace elements, too, even if it claims otherwise?
"NO ION ANTAGONISM"--With a resin? Unless it takes out all ions, that's not true.
"ECONOMICAL - Replacement only every six to eight months makes initial cost very low - eliminates expensive water changes - fewer losses"--How large was their closed, change-less system? How stocked was it? What sorts of fish did they have in there? Also, the initial cost is markedly high, but the over time cost would be lower with fewer replacement if their claim stood.
All in all, I'm not buying it. They don't know basic chemistry, they can't write about economics, and they have not released hard data about their product and the tests which it supposedly withstood. I would suggest ignoring this product, using Amquel for dechlorination and its cycling benefits, if you use anything.