I use a single 3/4hp rotary vane compressor located in one of the barns to supply the high volume/low pressure air to the diffusers in my half acre each prawn ponds. I am still on the original carbon flaps. I also have a regenerative compressor sitting back in reserve but have never needed it. With only one motor running that is pushing air rather than water,the power cost is much lower, no freeze-up problems in winter, only 1" black poly line out to the ponds rather than wires, too. I made a manifold from the 1" line out of galvanized pipe nipples and have two 1/2" ball valves to control air volume to the diffusers located at the pond bottom. In addition to eliminating thermo-cline/stratification plus immediately adding oxygen to the bottom of the pond, it also carries the nitrogen and CO2 up to surface resulting in far less algae.
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Today's Featured Article - My Ford Golden Jubilee - by Troy Estes. This article is about my '53 Ford Jubilee and a story that starts with taking the tractor to my brother's Starter/Alternator Rebuilding shop for a wiring fix. The generator was shot as well as all the wiring. I dropped off the tractor expecting a transformation from a 6 volt to a 12 volt system utilizing the original generator housing, and a total rewiring of the whole tractor. The front end center pin bushing was worn also so I ask that they replace it if they had time. Well, that’s wha
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1964 I-H 140 tractor with cultivators and sidedresser. Starts and runs good. Asking 2650. CALL RON AT 502-319-1952
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