Simple submerge a water pump and aim it at the water's surface. The water will break the surface without causing undesirable visual disruption. To prevent the pump from clogging, you can use a pump sock . Results are in. Dimilin is effective, yes.
Program is used as a chitin-synthesis inhibitor in the control of fleas.
Discontinue UV and Carbon during this time. It took five days to clear lernea elegans in 68 degree water. There's no toxicity to fish or filter, just the same as Dimilin. So, no more hunting for Dimilin on darkened street corners. Ask your Vet.