Resolved Algae went asexual

Okay - I am having a little issue - the other night I walked in the room and my tank was all milky cloudy. I ran downstairs hit the switch and did a 50 gallon wc. Tested all my parameters and all was in good range. Scratch my head- turn and see that my feather caulerpa went asexual- literally melted in the tank and disappeared! so I pulled the dead and dying out - and now my Duncans are closed, my acans are closed My anemone looks small.
I got some algae bloom in my DT, Checked my parameters tonight and all good still??
Mag 1380
Cal 440
alk 8.2
phos 0.02
Nitrates 0
ammonia 0
Salinity 1.025
temp 78
PH Steady between 8 and 8.10 (Always a little low I dont chase it -sump is in boiler room, I did run a line outside tonight for fresh air)

Ideas?? Another water change and time?

 

And carbon/charcoal.

Charcoal and water changes.

Update when able please, hope it's just a brief episode and everything opens back up in the next day or two.

 

Okay just put my carbon back on and did another 50 gallon change.

 

One thing I left out is my ORP dropped more than 50% when it happened. that was one of the reasons I did the first wc. Usually it hangs right around 400 and it has been low 200's last 2 days. I will give it a few days and do another 50 gallon change.

 

Surprising that your PH didn't drop.Hoping for the best bro.

 

Well my pH did drip a little but not for long. Thought it was from the wc. This am pH is 8.0 and ORP is back to 330 just over night w carbon. Lights are not on yet so we will see.

 

Well moonlights were just coming on so hard to tell how anything is this morning had to leave for work wishing for the best

 

Good luck!

 

Wish I was home today! Everything seems to be on a steady rise.

 

Not looking good. Gonna do another 50 gallon change in the am.