I just bought some Aluminum Sulphate Hydrated to put in my pond to clear it up. I did a test with Gypsum and it would have taken almost 2 tons in my .33 acre
pond so I decided to go with Alum and Hydrated Lime as a buffer. First is Hydrated Aluminum Sulphate the same as Alum? I did a Slurry test with the alum and it looked like I only needed 120 Pounds. I put 100 pounds of alum and 50 pounds of Hydrated lime. I live in East Tx, so I needed the lime as a buffer.
The jar test worked within minutes but it seemed to coagulate the clay in rather mucky clumps that I am kind of worried about when it settles to the bottom of my pond.What will become of this muck when it falls to the bottom?
Next, The test called for 120 pounds so I figured i would try 2 50lb. bags, but apparently it wasn't enough because my visibility is 8 inches which is what it was when i started. It has been 12 hours since I treated with the alum and I am wondering how long should I give the pond to clear before I add some more. Should I put 50 more ponds or will 20 pounds be enough if I wait.
Please Help!!!