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Originally Posted by devilfire
did u do a test on ur top up water??
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becos its readings fluctuates every now and then.
sometimes i wonder what is the standard???? (u mean newwater tastes differnt at different locns/ time of day)????
anyway, i have tested for 6th and 7th sept. results are the color is turning slightly lighter.(or isit my imagination)
have to admit, i will need a fr to be fair to comment on the pdt.
till then, i shall not conclude on the effectiveness yet.