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Hi

If i run water through a API DI filter. does it remove chlorine??

Hi,
Yes, it does:

"Deionized water is used in freshwater aquariums. Since it does not contain impurities such as copper and chlorine, it keeps fish free from diseases, as well as avoiding the build-up of algae on aquarium plants, due to its lack of phosphate and silicate. Deionized water should be re-mineralized before used in aquaria, since it also lacks many macro and micro-nutrients needed by both plants and fish."

Note the "remineralized" part... Distilled water, and
DI water, and RO water all need to be remineralized before
using in an aquarium. That is normally done by mixing
raw tap water with the treated water for a 50/50 mix.

Taken from:

http://en.wikipedia.org/wiki/Deionized_water

Frankn


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