crawford, the fire ant deal is for real but it usually is something that kills bluegill right after ingesting large numbers of them. Usually see that in hot summr months. Doubt that it is chronic condition from that.
Hard to explain the death if just a few then agree about age/stress. however hard to believe with that many, doubt that is it. We see fish dying when we have these dramtic chagnes in temps. You know 16 last week now door open in office with over 70 degree temps. WIsh I could help figure it out. WIth jsut one species of one size though usually not water but disease.
1,000 lbs of ag lime will do very little. If going through the trouble if possible follow the advice and add 5 tons or more. Hydrated lime only last a short period do that to jump start fertilization bloom in a few months. Advice about waiting until 60 is for fertilizer additions, you need to add lime now.
