dips

I have a frag of lazer lemons and I noticed a tiny aiptasia growing out of the middle. I’m very new to the hobby, but I know aiptasia is no good! I am looking for recommendations on getting it off the frag. I know if I mess with it in the tank that it’s most likely gonna spread, so I know I...

So usually my ORP sits in the mid 300's for ORP but have recently noticed these sudden "dips." They are not necessarily at the same time every day and don't correspond to a dosing time. See below: All fish are accounted for and water chemistry raises no alarms. ORP is very hard for me to...