Travis from Lincoln, Texas writes
We have two showers and three sinks that drain into a separate grey water tank that we use for watering landscaping. The tank seems to promote sewer flys and we haven't found anything yet that is effective in eliminating them. Thanks
We would not recommend using Permethrin SFR for this use in homes. Please check out our Drain Fly Kit to help with this. Nibor-D is also a great option for drain flies.
Answer last updated on: 06/23/2023