Aeration Test results from a 3/4 acre north OH pond 150'x220'; 16 ft deep.
Memorial day 2003 - No aeration all spring
surface temp (66.2F)& DO 10.4ppm
8' 63.0F & DO 9.6ppm
9' 61.2F & DO 7.3ppm
12' 53.6F & DO 3.5ppm
13' 52.3F & DO 1.8ppm
16' 50.2F & DO 0.0ppm
STARTED ROTARY VANE 1/4hp, 3 DIFFUERS MEMBRANE; RUN 12 HOURS CONTINUOUS
Surface temp 63.3F & DO 9.9ppm
15ft 63.0F & DO 9.1-9.5ppm (several locations)
16' 62.6 - 63.0F & DO 8.3-8.7ppm (several locations)
This has been an unusually cool spring for us in northern OH; no day in May was 80 degF. Normally the thermocline ocurrs at or above 6' on Memorial day. This yr thermocline was at 8'-9'.


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