Well I went ahead and did a 1/2 water change, turned off my heater, and my filter so it would fuse out or anything then continued on with my buisness.... so when i went up to my room later that night.. it was awfully quiet.. I had forgotten to turn the filter an heater back on! Well i rushed over, turned it back on. And the water just became extemely cloudy. Rge heat hadn't dropped to much so i slowly raied it back up to 80. my question is, could this possibly killed off my bacteria in my filter, or will it start a mini cycle?