The 8 Best Drain Openers to Buy in 2018

Unclog any blockage in your home drains

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  • 01 of 08

    Best Overall: Drano Max Gel Clog Remover

    Drano Max Gel Clog Remover, 80 fl oz

    Courtesy of Amazon

    When you think of drain openers, Drano is probably the first brand that pops into your head. This commonly recognized product is popular for good reason—it’s a great all-around drain opener that’s effective and affordable, to boot.

    Drano Max Gel Clog Remover comes in 80-ounce bottles, and it’s safe to use on PVC, metal pipes, garbage disposals, and septic systems. Its thick formula cuts through standing water, allowing it to quickly dissolve any clogs, including those caused by hair and soap scum. Reviewers write that Drano Max “works miracles,” eliminating clogs caused by years of hair build-up and other tough plumbing problems. Overall, this is a solid drain opener to keep around the house in case of clogs.

  • 02 of 08

    Best for Bathtub: Pequa 64 oz. Drain Opener

    If you're not diligent about cleaning the hair from the drain in your shower or bathtub, you will probably end up with clogged pipes at one point or another. In these cases, you need a heavy-duty drain cleaner that can dissolve the wads of tangled hair, helping your shower drain properly.

    The Pequa Drain Opener is a highly-rated product for both commercial and residential use, and it gets top marks from users who say it's their go-to drain opener. This product comes in a 64-ounce bottle, and it can dissolve all organic matter, including hair and grease. This drain opener is fast-acting, but it's environmentally safe and won't harm your pipes. Several reviewers say they’ve successfully used this drain opener on stubborn shower or tub clogs, but many note that it works well on kitchen drains, too.

  • 03 of 08

    Best for Sink: Invade Bio Drain Gel

    If your kitchen sink isn't draining properly, you may want to try Invade Bio Drain Gel, which not only fights clogs, but helps to eradicate drain flies in the process.

    This product comes in one-quart bottles, and it has a citrus smell you won't mind in the kitchen. The drain opener effectively cuts through scum and other organic matter, sticking to the walls of the drain to clear tough clogs. What's better, this product can also eliminate drain flies, which can be tough to get rid of in the kitchen or bathroom. According to reviewers, this product works well, clearing up pipes and killing drain flies, all while leaving a pleasant orange scent behind.

  • 04 of 08

    Best for Septic System: Bio-clean Drain Septic Bacteria

    If you have a septic system, it's best to stay away from harsh chemical drain openers, as they can harm your plumbing. Instead, you'll want to use a septic system-friendly product such as Bio-clean Drain Septic Bacteria.

    This powder formula uses a combination of natural bacteria and enzymes to cut through organic waste in your pipes. It is effective on grease, hair, soap scum, food particles, and more. Because it doesn't affect inorganic materials, it's safe for use on all plumbing systems, including septic tanks. Reviewers say that if you use the product as directed over the course of several days, it will effectively clear up any clogs or backups, allowing your pipes to drain better than ever.

    Continue to 5 of 8 below.
  • 05 of 08

    Best for Garbage Disposal: Green Gobbler Refresh 32 oz. Drain Cleaner

    Green Gobbler Refresh 32 oz

    Courtesy of Home Depot

    Similar to septic tanks, heavy duty chemical drain openers may damage your garbage disposal, so you need to be careful about what you put down your sink. To effectively unclog your drain and freshen up your garbage disposal, try the Green Gobbler Refresh Concentrate Garbage Disposal, Drain Cleaner, and Deodorizer.

    This product comes in 32-ounce bottles and contains a special blend of bacteria that digest and liquefy food particles, grease, fats, and oils. The thick formula will stick to the blades of your garbage disposal, cleaning and deodorizing the appliance. This product is septic system-friendly, and it has an orange scent that will leave your sink smelling nice. Reviewers say it is easy to use and effectively reduces odors in garbage disposals.

  • 06 of 08

    Best for Hair: Instant Power 67.6 oz. Hair and Grease Drain Opener

    Built-up hair can create tough drain clogs, so you're going to need a heavy-duty drain opener to get rid of these backups. The Instant Power Hair and Grease Drain Opener has hundreds of positive reviews that say it's an easy-to-use product that's incredibly reliable and effective.

    This drain opener comes in a 68-ounce bottle, and its formula is designed to dissolve hair and melt grease. It's safe to use on all types of pipes, as well as with septic systems, and it is an odorless, fumeless product. If you don't believe how good this drain opener is, just read reviews from the hundreds of happy users, who say it works quickly to get rid of tough clogs in the bathroom and kitchen. Many say it has even worked on clogs that plumbers could not solve!

  • 07 of 08

    Best for Grease: Instant Power 128 oz. Main Line Cleaner

    Instant Power 128 oz. Main Line Cleaner

    Courtesy of Home Depot

    Grease is another common culprit when it comes to stubborn drain clogs. To get rid of your grease-induced plumbing problems, you'll need a product like the Instant Power Main Line Cleaner.

    This highly-rated product comes in one-gallon jugs, and it uses a powerful formula to dissolve hair, grease, and other gunk that accumulates in drains. It's safe for use on all types of pipes and with septic systems, and many people use it to open both main sewer and lateral lines. Numerous reviewers say this product was recommended to them by a plumber, and several note that it is incredibly effective on grease clogs.

  • 08 of 08

    Best Beads: ComStar 024924305003 Pure Lye Bead Drain Opener

    ComStar 024924305003 Pure Lye Bead Drain Opener

    Courtesy of Amazon

    Most drain openers are a liquid or gel formula, but there are some products that come in other forms, such as the ComStar Pure Lye Bead Drain Opener. This product is made of 99% pure lye beads that are industrial strength and can clear out even the toughest pipe clogs.

    Each container has one pound of product, and the lye beads will sink to the bottom of standing water, reaching the cause of blockage and breaking up tough clogs. The formula is odorless and non-acidic, making it safe to use with plastic pipes, grease traps, and septic systems. Perhaps the most compelling reason to buy this product is the glowing reviews from users who say it cut through tough drain backups where other products failed.

Our Process

Our writers spent 2 hours researching the most popular drain openers on the market. Before making their final recommendations, they considered 20 different drain openers overall, screened options from 10 different brands and manufacturers, read over 35 user reviews (both positive and negative) and tested 1 of the drain openers themselves. All of this research adds up to recommendations you can trust.