I had RBT alive with BG nesting, but I was trying something in the pond to allow the RBT to live longer into the summer. I've had RBT die off in my pond in early May all the way to the 2nd week in July. Water temp and resulting drop in O2 levels were the cause.

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3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).