Top 5 Dishwasher Drain Cleaners: A Buying Guide

Does your dishwasher ever smell a little… funky? You run a load, expecting sparkling clean dishes, but instead, you get a whiff of yesterday’s dinner lingering in the machine. That unpleasant odor often means the drain is getting clogged with food particles and grease. It’s a common problem that nobody enjoys dealing with.

Choosing the right dishwasher drain cleaner can feel like a guessing game. Do you reach for a harsh chemical or a natural solution? Will it actually work, or will you just waste money on something that doesn’t fix the issue? These are real concerns when you just want a clean-smelling kitchen appliance.

This post will clear up the confusion. We’ll break down what makes a good drain cleaner effective and safe for your dishwasher. You will learn exactly what to look for so you can banish those bad smells and keep your dishwasher running smoothly.

Top Dishwasher Drain Cleaner Recommendations

Bestseller No. 1
Finish Dishwasher Cleaner Liquid, Deep Cleans Hidden Grease & Limescale, Fights Odors & Maintains Performance, 3 Month Supply, 8.45oz, 1 Bottle
  • DEEP CLEANS INNER PARTS: Finish Liquid Dishwasher Cleaner targets hidden grease, hardwater buildups, and limescale in spray arms, filter, and pipes for a hygienic clean.
  • IMPROVES DISHWASHER PERFORMANCE: Your dishwasher cleans dishware better with Finish dish washer machine cleaner.
  • FIGHTS ODORS AT THE SOURCE: Neutralizes lingering smells and keeps your dishwasher fresh after each use.
  • HELPS MAINTAIN DISHWASHER HEALTH: Use every 3 months to help keep your dishwasher clean and performing at its best.
  • 5X MORE CLEANING PERFORMANCE: Finish dishwasher cleaners have 5X more cleaning performance than dishwasher cleaner tablets.
SaleBestseller No. 2
Green Gobbler Enzyme Drain Cleaner | Controls Foul Odors & Breaks Down Grease, Paper, Fat & Oil in Sewer Lines, Septic Tanks & Grease Traps | 1 Gallon
  • ENZYME ENHANCED FORMULA: Green Gobbler Enzymatic Drain & Grease Trap Cleaner uses an enzyme enhanced formula to clear buildup and remove odors in grease traps, septic tanks and similar plumbing systems. It helps digests oils, fats, grease, sludge and other food waste within hours of application. This bottle uses anti-glug technology to help reduce splashing and provides up to eight treatments.
  • SAFE FOR PIPES: Green Gobbler helps maintain drain lines, septic tanks, grease traps and grease interceptors. Our enzyme enhanced formula is an excellent alternative to sodium hydroxide and other caustic chemicals.
  • IMPROVE GREASE TRAP EFFICIENCY: Green Gobbler increases the efficacy of grease traps by allowing enzymes & bacteria to work more efficiently to promote the separation of water and grease, helping your trap run more smoothly.
  • KEEP SEPTIC TANKS HEALTHY: Green Gobbler helps prompt the biological breakdown of foul odors and organic material inside demanding environments such as drains, pipes and septic tanks.
  • GREEN GOBBLER GUARANTEE: Green Gobbler cares about its customers. We take pride in developing innovative & effective products for your home or business. If for any reason you are unsatisfied, please contact us. We offer a money-back guarantee within 30 days of purchase.
Bestseller No. 3
Affresh Dishwasher Cleaner, Helps Power Away Odor Causing Bacteria, Limescale, Mineral Deposits & Grime Inside Pump, Tub & Hoses, 6 Tablets, 6 Month Supply
  • NO. 1 RECOMMENDED DISHWASHER CLEANER brand by Whirlpool, Maytag, KitchenAid, Amana and JennAir.* *affresh products and the recommending brands' products are all owned and distributed by Whirlpool Corporation.
  • HELPS POWER AWAY SMELLS created by odor causing bacteria, foggy limescale and mineral deposits hiding deep inside the dishwasher’s pump, filter, tub, valve, drain, washer arms and recirculation hoses to help optimize appliance performance.
  • USE WITH OR WITHOUT DISHES. Unlike other brands, affresh dishwasher cleaner is safe to use while running a full load.
  • TRUSTED BY APPLIANCE EXPERTS. With over 100 years of appliance innovation, affresh appliance care gets the tough jobs done right!
  • SAFER FOR PEOPLE. SAFER FOR PLANET. Affresh dishwasher cleaner is EPA Safer Choice Certified and is septic safe.
Bestseller No. 4
Glisten Dishwasher Cleaner, Removes Limescale, Rust, Buildup, and Grease, Lemon Scent, Made in the USA, 12 Ounce Bottle, 3-Pack
  • Powerful Disinfectant: Deep clean, freshen, and help maintain your dishwasher with our powerful cleaner. The quick, easy-to-use dishwasher cleaner helps break up dirty residue and buildup for a fresh appliance every day.
  • Clean and Freshen: This liquid cleaning solution works to remove odor-causing buildup and residue from your dishwasher and other hidden areas. This formula is dishwasher, plumbing, and septic-friendly.
  • EPA Safer Choice Approved*: Dishwashing machines can have lingering smells from trapped odor-causing food particles and buildup. It powerfully removes limescale, rust, grease, and buildup caused by hard water, detergent, and food residues.
  • Easy To Use: Place bottle upside down in silverware basket and run machine on the hottest cycle. Use monthly or as needed to keep your dishwasher clean, deodorized, and performing like new. Please refer to the package for detailed instructions.
  • Performance Guarantee: Our cleaning products come with a satisfaction guarantee. We will meet or exceed your expectations with our specially-formulated cleaners, proudly made in the USA
Bestseller No. 5
Dishwasher Cleaner And Deodorizer Tablets - 24 Pack Deep Cleaning Descaler Pods for Dish Washer Machine, Heavy Duty, Septic Safe, Natural Limescale Remover, Calcium, Odor, Smell - 12 Month Supply
  • Wide Compatibility - ACTIVE Dishwasher Cleaner is suitable for Most Residential or Commercial Automatic Dishwashing Units. Compatible with GE, Bosch, Frigidaire, LG, Samsung, Whirlpool, Kitchenaid, Kenmore, Maytag, Amana models, all styles including plastic & stainless steel. To ensure proper cleaning, we recommend to monitor your dishwasher during cycle. If you see any foam or water leaking from the machine, stop dishwasher and allow foam and water to drain before continuing
  • Deep Descaling Formula - Make your dish washing appliance shine. Removes hardwater, lime, scale, grime, grease, stain and more with a simple citric acid powder diswasher cleaning agent. Removes gunk spot and can help prevent clog and clear out foam in jet, tubes, and filter area.
  • Fresh Odor Eliminator - Dual action freshener booster tablet for smelly dishwashers. ACTIVE Dishwasher cleaner's Natural Lemon-citrus Scent leaves your dishwaser smelling and looking good.
  • Monthly Maintenance Solution - Keep your dishmachine cleaned with ACTIVE kitchen cleaning supplies. Use single or 2 treatment tabs per month. Place pod inside empty disheasher, run a self clean or regular dishwash to restore your machine. If extra cleaning is needed, always perform two separate cleaning cycles with a single tablet each, adding more cleaner can result in excess foam that effects function.
  • Bulk 24 Count Kit - Contains 24 ACTIVE Dishwasher Cleaning Tablets - You're set for a year or more. That's our Best Value Promise - Compare to product with less tablet or single-use liquids.
Bestseller No. 6
Enzyme Drain Cleaner & Deodorizer for Sink Drain, Showers, Septic Systems, Bathroom & Kitchen - Smell Remover for Fruit Fly Garbage Disposals, Dishwasher & Washing Machines - (32oz)
  • SAFE AND ECO-FRIENDLY: BioFresh uses natural bacteria cultures to break down odors and organic waste. The ingredients are a proprietary blend of microbes that are safe, effective, and won’t damage your drains, pipes or septic systems.
  • MADE IN THE USA: We are proud that all of our products are created and manufactured in the USA. We have strict quality control measures in place to ensure consistency and potency.
  • HOW TO USE: Perfect as a garbage disposal cleaner and deodorizer, washing machine odor eliminator, dishwasher clogs, and shower drain clog remover. Unclog and deodorize any drain. Great for returning flow to slow drains. Use in washing machines, dishwashers, toilets, urinals, and garbage disposals.
  • DOUBLE STRENGTH: Super concentrated formula. Up to 16 treatments per 32 oz bottle and 64 treatments per gallon.
  • SATISFACTION GUARANTEED: We go above and beyond for all of our customers. Get 100% money back if you are unsatisfied for any reason.
SaleBestseller No. 7
Drano Max Build Up Remover Drain Cleaner, Great for Clog Prevention, Commercial Line, 60 oz
  • TRUSTED BRAND: Drano has been used and trusted for generations. Avoid spending money on a plumber, and use Drano once a month for drain maintenance and clog prevention.
  • UNIQUE FORMULA: Drano Max Build Up Remover uses a unique formula with natural enzymes and probiotics, that eat through gunk. Free of bleach. Contains a clean, citrus fragrance.
  • PREVENTS CLOGS: Will not open clogs. Use it once a month to keep your drains running smoothly and prevent clogged drains. An ounce of prevention is worth a pound of cure!
  • SAFE ON PIPES: Safe for bathroom and kitchen sinks as well as toilets.
  • WORKS OVERNIGHT: Can leave in drains overnight. For tough clogs, leave Drano in your drain overnight to fully break down the clog before flushing with hot water.
Bestseller No. 8
Instant Power Disposal and Drain Cleaner – Liquid Enzyme Clog Remover, Cleans and Deodorizes, Removes Drain Blockages, Fresh Lemon Scent, 33.8 Fl oz, 1 Liter
  • CLEANS AND DEODORIZES: Bad odors in your home could indicate that your disposal and drain system is clogged; Instant Power clogged drain cleaner removes blockages, clears odor-causing build-up, and leaves a fresh citrus scent
  • EFFECTIVE CLOG REMOVER: Our drain cleaner uses enzymes to breakdown and rinse away grease, food particles, and other materials that get stuck in your drainage over time
  • SAFE AND EASY-TO-USE: Our enzyme drain cleaner uses a non-acid formula, so it's safe on your pipes and septic systems; It's also ready to use, just pour 1-2 ounces into the disposal and repeat weekly
  • NO HARSH CHEMICALS: Instant Power Disposal and Drain Cleaner does not use harmful acids and caustic ingredients; It contains powerful enzymes that clear clogs but is safe on your pipes and septic system
  • ENVIRONMENTALLY FRIENDLY: This effective drain cleaner has beneficial enzymes that are safe for the environment and your pipes

Choosing the Right Dishwasher Drain Cleaner: Your Essential Buying Guide

Is your dishwasher making gurgling noises or leaving dirty water behind? A clogged drain is usually the culprit. A good dishwasher drain cleaner can clear those pesky blockages and get your machine working like new. This guide helps you pick the best one for your home.

Key Features to Look For

When shopping for a drain cleaner, several features make a big difference in how well it works and how easy it is to use.

  • Formulation Type: Cleaners come in liquid, gel, or powder. Liquids often work fast. Powders can be great for heavy buildup. Choose what fits your clog severity.
  • Safety Indicators: Look for labels that state the cleaner is safe for plumbing systems (like garbage disposals or septic tanks). This is very important for your home pipes.
  • Odor Control: Some cleaners include ingredients that fight bad smells, not just clear clogs. A fresh smell is always a bonus!
  • Speed of Action: Check how quickly the product claims to work. Some need hours to sit, while others work in minutes.
Important Materials in Drain Cleaners

The ingredients determine the cleaner’s power. Most effective drain cleaners use strong chemicals to break down grease, soap scum, and food particles.

Common Active Ingredients:
  • Caustic Soda (Sodium Hydroxide): This is a very strong base. It dissolves grease and organic matter quickly. It needs careful handling.
  • Bleach (Sodium Hypochlorite): This helps sanitize and break down some blockages. It should never be mixed with acid-based cleaners.
  • Enzymatic Cleaners: These use natural bacteria and enzymes to “eat” the waste. They are gentler on pipes but often take longer to work.

Always read the ingredient list. If you have older pipes, gentler enzymatic options might be better.

Factors That Improve or Reduce Quality

Not all cleaners perform equally. Quality depends on how well the product tackles tough clogs without damaging your machine.

What Improves Quality:
  • High Concentration: A higher percentage of active ingredients usually means a stronger, more effective clean.
  • Foaming Action: Some cleaners foam up. This foam clings to the inside of the drain pipe, attacking the blockage from all sides.
  • Corrosion Inhibitors: Better formulas include materials that protect the rubber seals and metal parts inside your dishwasher.
What Reduces Quality:
  • Water Dilution: If the instructions tell you to add too much water before the cleaner works, the power is reduced.
  • Incomplete Rinsing: Failing to follow the final rinse steps can leave residue, causing new problems later.
User Experience and Use Cases

How you use the cleaner affects your overall experience. Consider when and how often you need to clean.

Typical Use Cases:
  • Preventative Maintenance: Using a mild enzymatic cleaner once a month stops small clogs from becoming big problems.
  • Emergency Clog Removal: When water pools in the bottom of the dishwasher, you need a fast-acting, heavy-duty chemical cleaner.
  • Odors Only: If the water drains fine but smells bad, a specialized deodorizing cleaner will solve the issue quickly.

A good user experience means clear, easy-to-read instructions. If the cleaner requires you to run a full cycle after application, make sure you have time for that.


10 Frequently Asked Questions (FAQ) About Dishwasher Drain Cleaners

Q: Can I use regular sink drain cleaner in my dishwasher?

A: Generally, no. Sink cleaners are often too harsh for the plastic and rubber components inside a dishwasher. Stick to products labeled specifically for dishwashers.

Q: How often should I use a drain cleaner?

A: If your dishwasher runs daily, use a preventative cleaner once every 1 to 3 months. If you notice slow draining, use a stronger cleaner immediately.

Q: Will drain cleaner harm my garbage disposal?

A: Many cleaners are safe, but you must check the label. If you have a disposal connected to the drain line, use products marked as disposal-safe.

Q: What should I do if the cleaner doesn’t work?

A: If the clog remains after the recommended time, do not keep adding more cleaner. You might have a serious blockage. Call a plumber next.

Q: Are enzymatic cleaners better than chemical ones?

A: Enzymatic cleaners are safer for pipes and the environment, but chemical cleaners are much faster for tough, greasy clogs.

Q: Do I need to run the dishwasher empty after cleaning?

A: Yes. Most products require you to run a short, hot water cycle afterward. This flushes the cleaner and the dissolved debris out of the hoses.

Q: What causes the drain to clog in the first place?

A: Food debris, grease buildup from cooking, and soap scum accumulating over time are the main causes.

Q: Can I use baking soda and vinegar instead of commercial products?

A: Baking soda and vinegar create a gentle fizz that is good for very minor odors. They usually cannot clear a significant physical clog.

Q: How long does it take for a powerful cleaner to work?

A: Heavy-duty chemical cleaners often start working within 30 minutes, but you should let them sit for a few hours, or even overnight, for the best results.

Q: Should I wear gloves when using these cleaners?

A: Absolutely. Always wear rubber gloves and eye protection. These chemicals can irritate skin and eyes.