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[ATJ]

Sorry, that is a typo, it should have been "copper concentration".

Let me assure you, I am not exaggerating. The information I provided is taken from Cardeilhac and Whitaker (1998), so it is not just opinion but based on scientific study.
You should also check out Keith (1981).

If you want to run the risk, that is your decision, but if your fish all of a sudden start showing severe stress and a lack of coordination, at least you will know that are probably dying from copper toxicity.

Cardeilhac P.T. and Whitaker B.R. 1988. Tropical fish medicine. Copper treatments. Uses and precautions. Vet Clin North Am Small Anim Pract.18:435-448.1

Keith R.E. 1981. Loss of therapeutic copper in closed marine systems. Aquaculture.24:355.

[sting310]

well the alternative is to take out all my gravel, coral, rocks, ect, therefore having a bare tank... spending $$$ to put all new rocks, gravel, ect in there... Now I have high ammonia, nitrites, and a jacked up ph...

I appreciate the advice, but unless someone has actually treated a tank with fake corals, gravel, ect, and pulled the copper out with carbon... then messed with their ph.... and watched the results, I am not going to do all that.

[TerryB]

ATJ is right and he just gave you two referrences to scientic trials to look it up for yourself.
Terry B

[sting310]

Originally posted by TerryB
ATJ is right and he just gave you two referrences to scientic trials to look it up for yourself.
Terry B

like I said I appreciate the advice.