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Re: Reliable test kits

I find the Hagen test kits good.  They are consistant and well made.  Well
made as in they give you different sized bottles depending on how much
chemical you use.
None of the 2 drops of bottle #1 and 5 drops of bottle #2 with both bottles
the same size... thus having one empty twice as fast as the other and you
having to buy a new kit.