Metals in fresh water tanks?

Thanks for the great suggestions guys and gals. I recently used quick
cure to heal 2 female guppies in a hospital tank and unless the
disease was a rare disease that always went away I'd say that the quick
cure worked great. I also added salt (measured amount). I plan on
getting stainless steel hose clamps for future use of the vortex filter
if I ever use it again. I actually found a filter media by coralife
called pure flow that has pores no bigger that 50 microns and I am
using it in a canister filter and the water has been crystal ever since
minus the on time my cat stepped on the surge protector/power switch
and I hadn't notices the filter wasn't on for a day and by the time I
found out the water had become a little cloudy but since then the water
has been crystal clear and I highly recommend it to others. I bought
the 50 micron version of the product at its largest size for around
$09.00 and I have plenty of it left for future use and it works
wonderfully. I use a fluval 404 outside canister filter for my other
tank (a combination shallow aquatic turtle tank with guppies in it, and
a biowheel pro 60 hanging from the top of the tank rim down in the
bottom of the tank by air hose so the biowheel pro 60 can operate right
above the water. I have the canister filter's output connected to the
biowheel pro 60 for excellent filtration of the fish/turtle tank.

Summary - Is quick cure safe for biological filters and plants as well
of fish? Thanks guys, especially about the stainless steel auto parts
store and quick (not twist) ties recommendations and all of the rest of
you all. Later!

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Summary - Is quick cure safe for biological filters and plants as well
of fish? Thanks guys, especially about the stainless steel auto parts
store and quick (not twist) ties recommendations and all of the rest of
you all. Later!

Yes, Quick Cure (if memory serves) is Malachite Green and Formalin. My
understanding is that while it will not affect plants or bacteria in a
significant way, it is still quite toxic, so you should avoid exposing
the fish to very prolonging periods of exposure, and the dosage must be
reduced for small and scaleless fishes. Two-three weeks of low level
exposure would be the maximum that I would use.
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