| About 4 months ago I comissioned two new ponds. The one is a 14 ton pond and the other a 8 ton pond. They have exaclty the same filtration systems, UV's and air and they each have a 18 000 l/h pump. The bigger pond therefore turns the water over a little slower than the small pond. The bigger pond has a slightly heavier fish load % and heavier feeding. The water in the bigger pond stays clear all the time but the smaller pond tends to get a bit dull at times. I then stop feeding in the small pond and the water clears up again. The bigger pond is in full sun but the smaller pond is in permanent shade.
They both generate foam but the foam is different. The bigger pond generates a pure white foam with a lot of air bubbles that sometimes stand about a foot in height and is a dry type foam (pic 1). The smaller pond generates a brown/green thin layer of foam that is like a wet sludge if you scoop it off (pic2). Can one perhaps identify the type of problem by the type of foam or are all foam problems the same - DOC's? |