# TLDR Review: InSinkErator Evolution Septic Assist

*Published: 2024-12-24 | Updated: 2025-02-12 | Source: https://shopsavvy.com/reviews-tldr/insinkerator-evolution-septic-assist*

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## Verdict

The InSinkErator Evolution Septic Assist 3/4 HP Garbage Disposal is a powerful and quiet choice for those with septic systems, offering efficient performance and easy installation. However, potential buyers should be prepared for additional enzyme purchases and manual food waste management. This model requires careful consideration of cabinet space due to its size.

**Top pro:** Effectively works with septic tanks and includes enzyme injection for rural systems.
**Top con:** Additional liquid enzyme may be needed, with a bottle lasting approximately 3 months.

## Product: InSinkErator Evolution Septic Assist
**Brand:** InSinkErator
[Compare prices and price history on ShopSavvy](https://shopsavvy.com/products/insinkerator-evolution-septic-assist)

## Pros
- Effectively works with septic tanks and includes enzyme injection for rural systems.
- Operates extremely quietly, with many users noting a significant reduction in noise compared to older models.
- Offers reliable performance with high-quality, durable construction.
- Easy to install, with options to reuse existing components and clear installation instructions.
- Features ample power for efficient grinding, effectively handling tough food scraps.
- Provides a comfortable fit under most sinks, despite being slightly larger than older models.

## Cons
- Additional liquid enzyme may be needed, with a bottle lasting approximately 3 months.
- Requires manual input of food waste, as it doesn't support washing down scraps with a sprayer.
- Doesn't include an enzyme solution in the package.
- Does not support the EZ connect plug, requiring hard wiring or an adapter.
- Some users experienced bubbling due to restricted airflow from the sound-dampening flange.

## Pros vs Cons at a Glance

| Pros | Cons |
|------|------|
| Effectively works with septic tanks and includes enzyme injection for rural systems. | Additional liquid enzyme may be needed, with a bottle lasting approximately 3 months. |
| Operates extremely quietly, with many users noting a significant reduction in noise compared to older models. | Requires manual input of food waste, as it doesn't support washing down scraps with a sprayer. |
| Offers reliable performance with high-quality, durable construction. | Doesn't include an enzyme solution in the package. |
| Easy to install, with options to reuse existing components and clear installation instructions. | Does not support the EZ connect plug, requiring hard wiring or an adapter. |
| Features ample power for efficient grinding, effectively handling tough food scraps. | Some users experienced bubbling due to restricted airflow from the sound-dampening flange. |
| Provides a comfortable fit under most sinks, despite being slightly larger than older models. |  |

## Last Seen Prices

*Each price is the last one ShopSavvy observed, on 2025-02-12; it may have changed since.*

| Retailer | Price | Availability | Last seen |
|----------|-------|-------------|-----------|
| [Amazon](https://shopsavvy.com/api/redirect/products/FqAznR4PQRNq7UDeaoHr/offers/86cb9e7a-8cb7-6076-f912-457994ffade6?source=shopsavvy&medium=article-review-tldr) | $281.72  | In Stock | 2025-02-12 (may have changed) |

[See every retailer and the full price history on ShopSavvy](https://shopsavvy.com/products/insinkerator-evolution-septic-assist)

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*About this review: it summarizes the professional reviews and customer ratings ShopSavvy collected for this product, alongside prices from ShopSavvy's price data (each price shows when it was last seen).*

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