Re: [Killietalk] blackworms and water quality

[LeeH920226 at aol_com]

A little more thought on the chlorine in the wash water. I have washed and 
stored tubifex worms for years in tap water containing lots of chlorine and 
chloramine without any problem. On the other hand I have religiously avoided that 
same water for daphnia cultures. Guess what? My tubifex do fine and my daphnia 
has periodic and frequent crashes and declines. Maybe I should leave the 
chorine in the daphnia replacement water. I should add that I do not use 
"formaldehyde-based" dechlorinators, but have used both carbon filtered water and 
thiosulfate treated water for daphnia with no difference I can see. I also would 
like to point out that I have occasionally killed fish with incompletely 
dechlorinated water. A test kit is a useful tool. I can add a commercial endorsement 
of the test kits that Charles Harrison offers on his web site. Commercial 
tests for chlorine are getting hard to find.

Lee Harper
Media, PA
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