7 Best Garbage Disposals for Septic Systems in 2020: Keep Your Pipes Happy!

Let’s face it, dealing with kitchen waste can be a bit of a grind. And if you’re living in a home with a septic system, the stakes are even higher. You can’t just toss any old food scraps down the drain and hope for the best – that’s a surefire way to invite expensive plumbing problems and septic tank nightmares! That’s why choosing the best garbage disposal for septic 2020 is absolutely crucial.

The right food waste disposer won’t just pulverize your leftovers; it’ll do so in a way that’s gentle on your septic tank. We’re talking about models designed to break down food into super-fine particles, often with added features that promote healthy bacteria in your septic system. But with so many options out there, how do you pick the best one?

Don’t sweat it! We’ve done the heavy lifting for you. We’ve dug deep into the market to find the top septic-safe garbage disposals that were making waves in 2020, focusing on performance, durability, and most importantly, their compatibility with your septic system. Let’s dive in and find the perfect match for your kitchen!


Our Top Picks for the Best Garbage Disposal for Septic 2020

1. InSinkErator Evolution Septic Guard 3/4 HP Garbage Disposal

InSinkErator Evolution Septic Guard 3/4 HP Garbage...

This InSinkErator model truly stands out as a top contender for the best garbage disposal for septic 2020 because it’s built specifically with septic systems in mind. What makes it special is its innovative Septic Guard liquid formula. This isn’t just a powerful food waste disposer; it’s a proactive partner in maintaining your septic health, working to break down solids and prevent buildup, all while keeping things quiet and smelling fresh.

Key Features:
– 3/4 HP motor with Quiet SoundSeal technology for ultra-quiet operation.
– Integrated Septic Guard liquid formula scientifically proven to support digestion of solids in septic systems.
– Non-corrosive to plumbing, ensuring long-term pipe health.
– EZ Connect Hardwire Adapter and Lift and Latch technology for DIY-friendly installation.
– Boost dishwasher inlet adapter for added convenience.
– Fresh citrus scent from Septic Guard helps reduce odors.

Pros:
– Specifically designed for septic systems with unique enzymatic treatment.
– Extremely quiet operation, a major plus for open-plan living.
– Excellent grinding power for various food wastes.
– Easy installation process for homeowners.
– Backed by a strong 9-year limited warranty.

Cons:
– Septic Guard liquid refills are an ongoing cost.
– Boost accessory for dishwasher inlet is a separate component.

User Impressions:
Customers rave about the whisper-quiet operation and the peace of mind the Septic Guard feature provides. Many mention a noticeable improvement in kitchen sink odors and appreciate the easy installation. While the cost of refills is a consideration, users feel it’s a worthwhile investment for septic system protection.

See it on Amazon here

2. InSinkErator Power .75HP, 3/4 HP Garbage Disposal, Power Series

InSinkErator Power .75HP, 3/4 HP Garbage Disposal, Power...

Another strong contender from InSinkErator, this .75 HP Power Series model is a workhorse designed to prevent clogs, making it an excellent choice for septic systems that benefit from finely ground waste. Its 2-Stage MultiGrind Technology ensures food scraps are pulverized into tiny particles, which are much easier for your septic tank to process. Plus, it’s designed to be compact and quiet, fitting seamlessly into your kitchen routine.

Key Features:
– 3/4 HP Dura-Drive induction motor for robust grinding power and durability.
– 2-Stage MultiGrind Technology for finer grinding of tough food scraps, preventing clogs.
– Reduced noise levels compared to standard disposals.
– Compact, space-saving design fits easily under most sinks.
– DIY-friendly EZ Connect Hardwire Adapter and Lift and Latch technology for installation.
– Removable baffle for easy cleaning.

Pros:
– Excellent at preventing clogs due to advanced grinding stages.
– Durable motor built for longevity.
– Quiet operation, enhancing kitchen comfort.
– Compact size saves valuable under-sink space.
– Easy to install for homeowners.

Cons:
– Doesn’t include the Septic Guard feature found in the Evolution Septic Guard model.
– Some users might prefer a higher HP for very heavy usage.

User Impressions:
Users frequently praise the grinding efficiency and surprisingly quiet performance of this unit. Many highlight its ability to handle tough food waste without jamming, appreciating the effortlessness it brings to kitchen cleanup. The easy installation is also a recurring positive comment.

See it on Amazon here

3. InSinkErator Power 1HP, 1 HP Garbage Disposal, Power Series

InSinkErator Power 1HP, 1 HP Garbage Disposal, Power Series...

For those who need maximum grinding power, the InSinkErator Power 1HP model is a fantastic choice, especially for busy households on a septic system. With a full horsepower motor, it tackles even the toughest food scraps with ease, ensuring that everything passing into your pipes is finely processed. This powerful grinding action is essential for septic tanks, as smaller particles are much easier for the bacteria to break down, preventing unwelcome buildup.

Key Features:
– 1 HP motor for superior grinding power, ideal for large families or heavy use.
– “Power Grind” capability for efficiently handling tough food scraps.
– Reduced noise levels compared to standard disposals.
– Compact design to fit comfortably under the sink.
– DIY EZ Connect Hardwire Adapter, EZ Removable Dishwasher Inlet Plug, and Lift and Latch technology for straightforward installation.

See also  5 Best Garbage Disposals for Home Use: Top Picks for a Cleaner Kitchen

Pros:
– Exceptional grinding power handles virtually any food waste.
– Durable and reliable InSinkErator quality.
– Quieter operation despite its powerful motor.
– Space-saving design.
– Simple installation process.

Cons:
– Higher price point due to increased power.
– No specific septic treatment feature like the Septic Guard.

User Impressions:
Customers are consistently impressed by the sheer power and efficiency of this 1 HP unit. They report fewer clogs and jams, even with challenging food waste. The quietness for such a powerful motor is a frequently highlighted benefit, making it a favorite for those seeking robust performance.

See it on Amazon here

4. 1 HP Garbage Disposal with Sound Reduction, TECASA Food Waste Disposer

1 HP Garbage Disposal with Sound Reduction, TECASA Food...

The TECASA 1 HP Garbage Disposal is a powerful and efficient option, particularly suitable for large families or homes that generate a significant amount of food waste daily. Its robust 1.0 HP motor with 2800 RPM delivers instant, high-torque power, ensuring food scraps are thoroughly ground. This level of fine grinding is particularly beneficial for septic systems, as it reduces the solid load and helps prevent potential clogs, all while operating with impressive quietness thanks to its sound reduction features.

Key Features:
– Powerful 1.0 HP motor with 2800 RPM for efficient grinding.
– Custom-formed thick sound endergonic foam and full-coverage polymer shell for noise reduction.
– DC motor with full torque designed to eliminate potential jams.
– Safety features include overload protection and an accessible reset button.
– Continuous feed operation (requires extra switch, not included).
– Suitable for standard 3-1/2 inch sink opening.
– Pre-installed 39″ power cord.
– UL Listed for safety.

Pros:
– High horsepower and RPM for superior grinding performance.
– Excellent noise reduction technology.
– Safety features provide peace of mind.
– Durable construction designed for longevity.
– Pre-installed power cord simplifies electrical connection.

Cons:
– Continuous feed requires an additional switch (not included).
– Might be overkill for smaller households with minimal food waste.

User Impressions:
Reviewers commend the TECASA disposal for its powerful grinding capabilities and surprisingly quiet operation. Many appreciate the instant torque that prevents jams, making daily use frustration-free. The robust build and safety features are also frequently mentioned as strong selling points.

See it on Amazon here

5. Moen Prep Series PRO Continuous Feed Compact Garbage Disposal

Moen Prep Series PRO Continuous Feed Compact Garbage...

Moen steps into the ring with its Prep Series PRO, a compact and mighty 1/2 HP garbage disposal that’s explicitly stated to be septic safe. This unit features a potent 2,600 RPM Vortex motor that delivers fast, powerful grinding, significantly reducing the likelihood of disposal jamming. Its compact and lightweight design makes installation a breeze and ensures it won’t hog precious under-sink real estate, making it an excellent choice for efficient waste management in septic homes.

Key Features:
– 2,600 RPM Vortex motor provides fast and powerful grinding.
– 1/2 HP motor is efficient for everyday food scraps.
– Compact and lightweight design for easy installation and space-saving.
– “Simple Swap” feature allows effortless replacement of most existing disposals (including non-Moen brands).
– Pre-installed power cord for convenience.
– Explicitly stated as septic safe.
– Eco-friendly design reduces landfill waste.

Pros:
– Clear assurance of being septic safe.
– Compact size ideal for smaller kitchens or limited under-sink space.
– Powerful Vortex motor prevents jams effectively.
– Easy to install, often without needing an electrician.
– Backed by a 5-year limited warranty with in-home service.

Cons:
– 1/2 HP might not be sufficient for very demanding households.
– Lacks advanced grinding stages found in some higher-end models.

User Impressions:
Customers love the Moen Prep Series PRO for its ease of installation and compact footprint. The “septic safe” assurance is a huge plus for many. Users report that it handles everyday food waste efficiently and quietly, making it a reliable choice for smaller families or those with lighter disposal needs.

See it on Amazon here

6. INSINKERATOR Septic Guard Replacement Solution for BOOST Injection System

INSINKERATOR Septic Guard Replacement Solution for...

While not a garbage disposal itself, the InSinkErator Septic Guard Replacement Solution is an indispensable companion for anyone using the InSinkErator Evolution Septic Guard disposal. This 16.9-fl oz bottle is the heart of what makes that particular disposal so septic-friendly. Regularly replacing this solution ensures that your septic system continuously receives the scientifically proven formula needed to digest solids, break down food waste, and keep your plumbing clear, making it a crucial part of maintaining the best garbage disposal for septic 2020 experience.

Key Features:
– 16.9-fl oz bottle of Septic Guard Replacement Solution.
– Scientifically proven liquid formula to support digestion of solids in septic systems.
– Non-corrosive to plumbing.
– Helps break down food waste buildup in pipes and the septic system.
– Fresh citrus scent helps reduce undesired kitchen sink odors.
– “Click-into-place” design for easy DIY refill changes in the BOOST System.
– Available through “Subscribe and Save” for convenience and reminders.

See also  The 5 Best Garbage Disposals for Septic Homes: Your Top Picks!

Pros:
– Essential for maximizing the septic-safe benefits of compatible disposals.
– Actively promotes septic health and prevents clogs.
– Reduces odors effectively.
– Easy and mess-free replacement process.
– Subscription options ensure you never run out.

Cons:
– An ongoing expense separate from the disposal itself.
– Only compatible with specific InSinkErator BOOST Injection Systems.

User Impressions:
Users with the compatible InSinkErator disposal models consistently praise this refill solution. They notice a significant difference in how their disposal operates and how their septic system handles waste. The pleasant citrus scent and the convenience of easy refills are frequently highlighted.

See it on Amazon here

7. Frigidaire 1.25 HP Corded Garbage Disposal for Kitchen

Frigidaire 1.25 HP Corded Garbage Disposal for Kitchen...

The Frigidaire 1.25 HP Corded Garbage Disposal is a powerhouse designed for robust performance and enhanced hygiene, making it a solid option for homes with septic systems where superior grinding and odor control are paramount. Its impressive 1.25 HP Torque Master Grinding System instantly powers through tough scraps, ensuring minimal residue and optimal breakdown of food waste. What truly sets it apart are the integrated BioShield and Silver Guard technologies, which actively protect against odors and prevent metal objects from damaging the system, keeping your disposal and septic system in top shape.

Key Features:
– Powerful 1.25 HP Torque Master Grinding System for high-speed, high-torque performance.
– BioShield protection helps prevent odors caused by food residue.
– Silver Guard magnetic ring captures most metal objects before grinding.
– Fully insulated sound shell for maximum sound reduction.
– Designed for quick and easy installation with existing 3-bolt sink mount flange or included one.
– Compatible with all 3-bolt mounts.

Pros:
– Exceptional grinding power handles virtually all food waste.
– BioShield technology actively fights odors, a great benefit for septic systems.
– Silver Guard enhances safety and protects the motor.
– Very quiet operation despite its high power.
– Easy to install for convenience.

Cons:
– No specific enzymatic treatment for septic systems.
– Might be oversized for very small households.

User Impressions:
Customers are highly impressed by the raw power and quietness of the Frigidaire 1.25 HP. The BioShield feature gets consistent praise for keeping the disposal fresh and odor-free. Many appreciate the added safety of the Silver Guard. It’s often described as a robust, high-performance unit that makes short work of kitchen cleanup.

See it on Amazon here


How to Choose the Best Septic-Safe Garbage Disposal

When you’re on a septic system, picking the right garbage disposal isn’t just about convenience; it’s about protecting a vital home system. Here are some key factors to consider:

  • Horsepower (HP): For septic systems, more horsepower is generally better. Higher HP (like 3/4 HP or 1 HP) means finer grinding, which breaks down food into smaller particles that are easier for your septic tank’s bacteria to process. This significantly reduces the risk of clogs and sludge buildup.
  • Grinding Stages: Look for disposals with multiple grinding stages (e.g., 2-stage or 3-stage MultiGrind technology). These systems pulverize food waste more thoroughly than single-stage grinders, which is ideal for septic compatibility.
  • Septic-Specific Features: Some models, like the InSinkErator Evolution Septic Guard, include a built-in injection system that adds enzymes to your waste. These enzymes actively help break down organic matter in your septic tank, offering an extra layer of protection.
  • Noise Level: Modern garbage disposals come with sound insulation. If your kitchen is an open-concept space, a quieter model (often indicated by “SoundSeal” or similar technology) will be much appreciated.
  • Durability and Warranty: A garbage disposal is a long-term investment. Look for models with stainless steel components and a good warranty, especially one that offers in-home service.
  • Ease of Installation: Many disposals feature quick-lock or EZ Connect systems for DIY installation, which can save you money on professional help.

FAQ: Your Questions About Septic-Safe Garbage Disposals Answered

Q1: Can I use any garbage disposal with a septic system?
A: While you can technically install any garbage disposal with a septic system, it’s generally not recommended. Standard disposals can send larger, tougher food particles into your septic tank, which can overwhelm the system, lead to clogs, and disrupt the natural bacterial balance. It’s always best to choose a model specifically designed or recommended for septic use, like the ones reviewed above.

Q2: What makes a garbage disposal “septic safe”?
A: A septic-safe garbage disposal typically has a powerful motor (at least 3/4 HP) and multiple grinding stages to break down food waste into very fine particles. Some advanced models also feature built-in systems that inject enzyme solutions or bio-agents into the waste stream. These enzymes help accelerate the breakdown of organic material in your septic tank, maintaining its health and efficiency.

Q3: How does the InSinkErator Septic Guard system work?
A: The InSinkErator Evolution Septic Guard disposal includes an innovative system that injects a specialized liquid enzyme formula with each use. This formula is scientifically proven to support the digestion of solids in your septic tank and pipes. It helps break down food waste buildup, preventing clogs and reducing odors, without being corrosive to your plumbing.

See also  8 Top Best Value Garbage Disposals for Smart Shoppers

Q4: What types of food can I put in a septic-safe disposal?
A: Even with a septic-safe disposal, it’s wise to be cautious. Stick to soft, biodegradable food scraps like fruit and vegetable peels (small pieces), cooked meats (small amounts), and soft leftovers. Avoid hard items like fruit pits, large bones, fibrous vegetables (celery, corn husks), coffee grounds, eggshells, and grease/oil, as these can still pose problems for your septic system.

Q5: How often should I use septic tank treatments with a disposal?
A: If you have a disposal with an integrated enzyme system (like InSinkErator Septic Guard), you’ll typically replace its solution regularly as recommended by the manufacturer. If your septic-safe disposal doesn’t have this feature, you might consider using a reputable septic tank additive periodically. Always follow the specific instructions on the product and consult with a septic professional for personalized advice.

Q6: What HP is best for a septic system?
A: For homes with septic systems, a 3/4 HP or 1 HP garbage disposal is generally considered ideal. These higher-horsepower units are capable of grinding food waste into much finer particles compared to 1/2 HP models. Finer particles are easier for the beneficial bacteria in your septic tank to break down, reducing the risk of clogs and prolonging the life of your system.

Q7: How do I maintain my septic-safe garbage disposal?
A: Regular maintenance is key!
* Run cold water: Always run cold water before, during, and for at least 30 seconds after using your disposal to flush out all particles.
* Clean regularly: Grind citrus peels (lemons, oranges) or a handful of ice cubes to naturally clean grinding components and remove odors.
* Avoid certain foods: As mentioned in Q4, steer clear of fibrous, greasy, or hard items.
* Address clogs promptly: If you notice slow draining or odors, address them immediately. Never use chemical drain cleaners, as they can harm your septic system.


Final Thoughts

Choosing the best garbage disposal for septic 2020 doesn’t have to be a headache. By opting for a model designed with septic systems in mind – featuring powerful motors, multi-stage grinding, and ideally, enzymatic treatments – you can enjoy the convenience of a disposal without compromising your home’s wastewater treatment system.

Any of the options we’ve reviewed here would be a solid choice, offering a blend of performance, durability, and septic-friendly features. Invest wisely, and you’ll keep your kitchen clean, your pipes happy, and your septic system running smoothly for years to come!

Scroll to Top