First of all, thank you for your prompt responses.
Now, the problem we are having is that after following the steps exactly as described on the instructions (including the addition of reagent C, as specified in the glossy card), we are getting the same result regardless of the temperature on the water and how careful we are at not letting it be exposed to the air around us.
To begin with, we ARE using tap water. Everything goes well up until we start adding the reagent D drops; we do get the brownish color after adding reagent B and then the water turns a dark greenish blue after adding reagent C, the problem is that regardless of the temperature or how many drops of reagent D we introduce into the mix (we tried way more than 20) the water does NOT lose the dark green/blue color, unless we let it sit for a while until the brown stuff sinks to the bottom, then it is just dark blue. We'd appreciate any suggestions or corrections that you can throw our way, thank you.
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