abit of clorine really lethal?

  • We are currently upgrading MFK. thanks! -neo
Chlorine isnt as bad, chlorine gasses out after a about 2 days or so. Its chloramine thats worse. That doesnt gas out and it worse than chlorine.
 
even if i only changed 1 bucket (20l) then i would still use dechlor in the replacement. pyramid party has it right, its chloramine that you have to neutralise these days and that wont dissipate after a day or two. luckily the companies that make dechlor have kept up and have produced dechlor to combat it.
its an important tool in keeping fish healthy, ie no good taking out the nasty tank water with nitrates at 40ppm and filled with whatever else just to dump new water in with worse, more dangerous chemicals in it. you may as well have left the old water in because it will be less dangerous to your fish.
 
Stating that a bit of chlorine isn't bad for a fish, is like saying that a bit of cigarette smoke isn't bad for your lungs.

Chlorine dissipates as it runs through the water mains, and depending on where you are situated from the source in your town/city, and how much water you remove at each water change, you 'might' be able to go without adding a water conditioner.

If you have chloramine in your local water supply there's really no getting around using a water treatment. Chloramine can retain it's full strength for several weeks. Chloramine isn't "worse" than chlorine, you simply have to deal with it in a slightly different manner.


Water sources & additives can fluctuate through the various seasons,and some areas may use chlorine during the Fall/Winter months, and chloramine during the Spring/Summer when the bacteria numbers rise. Keep this in mind when purchasing your water treatment.
 







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It all depends on how much chlorine you have in your tap.
 
now I have a rebuttal question. I know a lot of people change water the same as me and that is adding the prime to the tank and then start refilling with the python. My fish like to hang out in the area where the fresh water is coming in. Is that not harmful for their health or does prime work that fast?
 
Prime works fast, but in an aquarium setting I do not believe that it is instantaneous. In my situation I have chloramine treated tap water, and I add water conditioner in small amounts throughout the course of the tank being refilled. Personally I prefer to not take unnecessary chances with the well being of my fish. Even at very small dosage rates, chlorine is harmful to most/all aquatic life forms, some being more sensitive than others. Even as low as 0.05 PPM can be toxic to certain aquatic species.
 
I use the Python system and dechlor as I go on most tanks. But if I am messing with my discus I put the water in a trash can, treat it, make sure temp is ok then pump it into tank with a powerhead and a tube. Bottom line......why tank chances with your little buddies?
 
Remember that the first chemical weapons used to kill in World war one (1915 German Ypres offensive) were chlorine based gases. This stuff is used in our drinking water because it kills all the nasties and the good bacteria, (In high enough quantities people and fish too) it is not an inert substance.

Like an oven it burns stuff.
 
Just use dechlor or get a filter that will remove it. No since in risking the health of your fish.
 
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