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Message: <blockquote data-quote="iron_mike_gt" data-source="post: 7828618" data-attributes="member: 101785">I had a lightning strike very near the house yesterday and the static discharge impacted my Apex Classic.  I was able to recover everything except the ORP and PH probes are no longer accurate. I disabled / enabled and calibrated them, but ORP is stuck at 0 and PH is up close to 12.   I had a similar incident several years ago that wiped out my apex classic altogether and I had to get a replacement unit (it was out of warranty).My question - has anyone experienced this where ONLY THE PROBES need replacing?  I ask because I can pick up a new Apex unit with all the juicy bells and whistles from folks getting out of the hobby but they'll already have the probes.  I don't want to buy new probes only to find out it was the unit that is bad.  I know I can buy just the new Apex, but I'd like to pick a gently used one up and those typically already have all the probes.All fish & coral are good.  Here's a crappy picture from a few minutes ago for effect <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile    :)" loading="lazy" data-shortname=":)" /> [ATTACH=full]1726570[/ATTACH]</blockquote>