Posted by prawn farmer on June 25, 2015 at 07:27:50 from (107.77.87.76):
In Reply to: moss on the pond posted by larry@stinescorner on June 25, 2015 at 04:13:24:
Not sure if anyone else on this site grows fish commercially. Look on the Weeders Digest.com site. I use both the weed rake and weed cutter on my 4 ponds as we didn't want to use any aquacides or anti-biotics in our prawns (shrimp)ponds. You are a little late in the game now and are inviting a full fledged fish kill if you use aquacides if the vegetation dies and uses up oxygen as it decays. As mentioned, barley straw is used for clearing/settling the water of suspended particles - NOT weed control. You are probably making the situation worse by adding more organic material as this adds nutrients to the water that the floating aquatic vegetation feeds on. Growing fish and shrimp commercially, I use an aeration system that has a regenerative compressor (low pressure/high volume) that feeds to diffusers that adds oxygen and blows out nitrogen and carbon dioxide. I've posted pictures of the shrimp I grew on here in the past. I currently have a crop of 12" bluegill almost ready. Ex-prawnfarmer (can't compete with Malaysia/Indonesia/Wal-Mart shrimp imports)
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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