partial tank crash

[naesco]

Originally Posted by whatcaneyedo

The owner commented that he has seen patches of the anthelia crash occasionally in the past and although I've never experianced such a thing in my own system I have had Xenia colonies crash from time to time. So even if the water change water's chemistry wasnt too bad I think something about it did still trigger the anthelia to start dying (and this tank had A LOT of anthelia).

This tank is in a public institution and not a private home so there are a lot of unknown variables unfortunately.

If you can stick a powerhead near the water level to add oxygen to the tank