Nilodor ZymeCLING Multi-Purpose Bio-Enzymatic Gel

We really struggled with drain flies this year! We got the Zevo plug in fly traps. I boiled water and poured it down the drains, cleaned them regularly and used Draino, plugged them when not in use, etc. They just got worse and worse. I finally read that an enzyme cleaner specifically would help, so I ordered this ZymeClean Gel from Amazon for $11 and used it down every sink, shower, and toilet. I let it sit overnight and rinsed down the next day. Only took ONE application and NO more drain flies! It was like they just disappeared. I wish I had tried this first! I still have the rest of the bottle under the sink but haven’t needed it. Just get it!!!