it needs two different pH's so it can adjust accordingly. All you have to do is pick 2. if you've got packets of 7 and 10 lying around, use them. Just remember to adjust for temperature.
thanks guy's i recalibrated every thing and it's working fine now!!!!!!!:splitspin:splitspin:splitspin noob i got the wrasses 3 :inlove: the two that made it i think they even pared up there swimming together and sleeping in the same area:inlove:!!! one as soon as i put him in he went into shock!!!! dont know why i dripped them for 2-2.5 hrs becuse they looked a little stressed- out in the store!!! it was like he was struck with electricity as soon as he touched the water i never saw that before!!!!! sad! nyreefnoob you got to come see my tank when your in the area seeing rs