I have a 75gak FOLWR. I have a pourcupine puffer, large damzel, snowflake, picasso trigger, niger trigger, figi puffer, lion fish. I did a big cleaning yesterday. I changed 25gal of water, RODI
. removed all the rock, but kept it wet. Did a good sand vac. Put the rock back in and water. 4hrs later the figi died, but the puffer was eating though. Woke this morning and the pourcupine was dead and so was the large damsel.
I did nothing different in the cleaning.
All the water test came back great. What do I do now. I don't want them all to die.
Thanks for an y help