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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