9 Best Drain Cleaner For Drain Flies 2025 in the United States

The FRUIT FLY GOODBYE Gel Drain Treatment by Green Gobbler is designed to tackle infestations of drain flies, fruit flies, and sewer flies. It features a thick gel formula that clings to pipes, making it effective for use in various locations, including homes, businesses, hotels, restaurants, and bars. The product can treat a wide range of drains, such as garbage disposals, kitchen sinks, bathrooms, and shower drains. This makes it versatile and suitable for different settings plagued by fly problems.

Key active ingredients are natural Citronella Oil and Cinnamon Oil, which serve to repel flies, offering a more natural approach compared to harsh chemicals. However, the product is unscented, which might not be a preference for those looking for a fragrant solution. Ease of use is a strong point; just pour 8 ounces into the problem drain, and the anti-glug bottle design helps minimize spills. Each gallon bottle provides up to 16 treatments, and for best results, it's advised to use it at night when drains are less active.

Safety-wise, the use of natural oils is a plus, although users should still handle it with care, like any chemical drain cleaner. Green Gobbler also offers a 30-day money-back guarantee, showing confidence in their product. The FRUIT FLY GOODBYE Gel Drain Treatment is an effective, easy-to-use solution for those dealing with persistent fly problems in their drains.

The Rockwell Labs IBDC032 Invade Bio Drain Gel is a drain cleaner designed specifically for addressing issues such as drain flies and scum buildup. It comes in a 1-quart bottle that provides roughly 8 applications, with each application using about 4 ounces per drain. One of its notable strengths is its dual-action formula that combines microbes and citrus oil to break down organic matter effectively while leaving a pleasant citrus scent.

This makes it not only effective in eliminating drain flies but also in neutralizing odors and maintaining clean drains with regular use. Additionally, its versatility allows it to be used in various settings beyond drains, such as mop buckets, trash chutes, and even urinals and soda fountain drip trays for sugar snakes, making it a practical multi-use cleaning solution. In terms of safety, the product is designed to be safe for most plumbing and septic systems, which is a significant advantage for homeowners concerned about potential damage to their pipes.

Its environmental impact is relatively low, given that it uses natural ingredients like microbes and citrus oil, making it a more eco-friendly option compared to harsher chemical drain cleaners. However, one potential drawback is the need for regular use to maintain its effectiveness, which could be a consideration for those looking for a more long-term solution with less frequent applications. Additionally, while it is effective at eliminating odors and scum, users with severe clogs might require a more robust solution in conjunction with this product. The Rockwell Labs IBDC032 Invade Bio Drain Gel stands out for its natural ingredients, pleasant scent, safety, and versatility in multiple applications, though it may require consistent use for optimal results.

The Fruit Fly & Drain Fly Killer by Natural Armor is a liquid gel drain cleaner designed to tackle stubborn drain fly and fruit fly infestations. One of its major strengths is its ease of use; you simply pour the gel down any sink or floor drain, where it clings to pipe walls and effectively eliminates fly eggs at the source. This makes it particularly suitable for use in various settings, including homes, hotels, bars, and restaurants.

The product is fast-acting, showing noticeable results quickly, and offers long-lasting effectiveness, potentially keeping drains clear for months depending on the severity of the infestation. Additionally, it is safe for drains, pipes, septic systems, and toilets, and is free from toxic substances, making it a safer option compared to some corrosive alternatives. The gel is unscented, which can be a plus for those sensitive to strong chemical smells.

However, the product's environmental impact is not explicitly detailed, though its non-toxic formulation suggests it may be less harmful to the environment. As a commercial-grade product, it might be more than necessary for minor infestations, making it potentially less cost-effective for small-scale use. The product's ranking in the chemical drain openers category also suggests it is well-regarded but not the top choice. This product is best suited for those dealing with severe or recurring drain fly problems, particularly in high-traffic or commercial environments.