HF, readings from my pond today - no aeration. Secchi disk disappears at 48" heavy overcast day barely a shadow; no polarized glasses, looking in shadow of the boat at the disk. Ambient temp 74°F. Readings taken at 11:15 a.m. CST

Max pond depth is approx. 14' with the current water level - roughly 3' below full pool. All readings were taken in 13' of water.

Secchi disk - 48" visibility

1'---- 9.58 mg/l--- 73.5°F
3'---- 9.30 mg/l--- 71.3°F
6'---- 9.77 mg/l--- 66.0°F
9'---- 6.91 mg/l--- 63.3°F
12'--- 2.81 mg/l--- 60.0°F

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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).