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I just dosed 1 tablet of sentinel in a 170 gallon dominate sps tank last night. This morning I came in and did a 35% water change and turned the skimmer back on, and added carbon. Everything seems to be surviving for now. Emerald crabs and snails seem unaffected after 24 hrs. As for killing all of the red bugs, time will tell.
I can say this for sentinel, as soon as I dosed i noticed red bugs coming from the bottom of my frags and began to move around. I will dose another pill in 7 days and post my results of the second treatment.
I'm curious to see if I notice any red bugs on the second treatment to verify whether the first go actually killed the red bugs.
In closing I'll say this much, sentinel doesn't seem to kill any inverts in the short term. Only time will tell the long term affects.


