--- product_id: 38825583 title: "Down John Once-A-Year Septic Tank Treatment, Live Bacteria Enzyme Cleaner" brand: "down john" price: "€ 143.49" currency: EUR in_stock: true category: "Down John" url: https://www.desertcart.pt/products/38825583-down-john-once-a-year-septic-tank-treatment-live-bacteria store_origin: PT region: Portugal --- # All Natural 3-Part Concentrate Live Bacteria Down John Once-A-Year Septic Tank Treatment, Live Bacteria Enzyme Cleaner **Brand:** down john **Price:** € 143.49 **Availability:** ✅ In Stock ## Summary > 💰 Save money, breathe easy, and go green! ## Quick Answers - **What is this?** Down John Once-A-Year Septic Tank Treatment, Live Bacteria Enzyme Cleaner by down john - **How much does it cost?** € 143.49 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/38825583-down-john-once-a-year-septic-tank-treatment-live-bacteria) ## Best For - down john enthusiasts ## Why This Product - Trusted down john brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Odor-Free Living:** Say goodbye to unpleasant smells and backups! - • **Once-a-Year Wonder:** Just one application for a full year of freshness! - • **Eco-Friendly Formula:** Binds toxins and reduces greenhouse gases! - • **Revitalize Your System:** Revives plugged systems and enhances absorption! - • **Save Big on Maintenance:** Slash pump-out costs and avoid costly repairs! ## Overview The Down John (Once-A-Year) Septic Tank Treatment is a powerful 3-part concentrate designed to maintain your septic system with just one application per year. This all-natural treatment contains live bacteria, carbon, and enzymes that eliminate odors, prevent backups, and improve drain field absorption while also reducing harmful toxins and greenhouse gases. ## Description desertcart.com: Down John Once-A-Year Septic Tank Treatment, Live Bacteria Enzyme Cleaner | 1 Year Supply, Improves Drain Field Absorption, Cleans Septic Lines, Odor Neutralizer, Septic System Treatment : Health & Household ## Features - Saves hundreds on pump-out costs and potential thousands on system repair. - Eliminates odor and backup. Use it only once a year. - Revives plugged systems and leach lines. - Healthy septic tank bacteria lasting over a year. - All natural. Binds and removes harmful toxins. Reduces green house gases. Eliminates nitrates. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00F3M0M1M | | Best Sellers Rank | #119,809 in Health & Household ( See Top 100 in Health & Household ) #60 in Septic Tank Treatments | | Brand | DOWN JOHN | | Brand Name | DOWN JOHN | | Customer Reviews | 4.4 out of 5 stars 802 Reviews | | Global Trade Identification Number | 00094922640062 | | Item Form | Liquid & Powder | | Item Highlight | 1 Year Supply, Improves Drain Field Absorption, Cleans Septic Lines, Odor Neutralizer, Septic System Treatment | | Item Weight | 13 ounces | | Liquid Volume | 2 fluid ounces | | Manufacturer | ENSOL, LLC | | Model Number | DJ-12 | | Number of Items | 1 | | Part Number | DJ-12 | | Product Benefits | Eliminates Odor, Revives Plugged Systems, Removes Sludge, Dissolves Grease, Improves Drain Field Absorption Product Benefits Eliminates Odor, Revives Plugged Systems, Removes Sludge, Dissolves Grease, Improves Drain Field Absorption See more | | Scent | Odorless | | State of Matter | Liquid | | State of matter | Liquid | | UPC | 094922640062 | | Unit Count | 1 Count | ## Product Details - **Brand:** DOWN JOHN - **Scent:** Odorless - **Item Weight:** 13 Ounces - **State of matter:** Liquid - **Product Benefits:** Eliminates Odor, Revives Plugged Systems, Removes Sludge, Dissolves Grease, Improves Drain Field Absorption ## Images ![Down John Once-A-Year Septic Tank Treatment, Live Bacteria Enzyme Cleaner - Image 1](https://m.media-amazon.com/images/I/517-M9JmoVL.jpg) ![Down John Once-A-Year Septic Tank Treatment, Live Bacteria Enzyme Cleaner - Image 2](https://m.media-amazon.com/images/I/51hNHsu3xsL.jpg) ![Down John Once-A-Year Septic Tank Treatment, Live Bacteria Enzyme Cleaner - Image 3](https://m.media-amazon.com/images/I/5170KpabzoL.jpg) ![Down John Once-A-Year Septic Tank Treatment, Live Bacteria Enzyme Cleaner - Image 4](https://m.media-amazon.com/images/I/61liZj1Iy8L.jpg) ![Down John Once-A-Year Septic Tank Treatment, Live Bacteria Enzyme Cleaner - Image 5](https://m.media-amazon.com/images/I/61JTKIEC+fL.jpg) ## Frequently Bought Together - Down John (Once-A-Year) Septic Tank Treatment | 1 Year Supply | 3-Part Concentrate Live Bacteria, Carbon & Enzyme Treatment | Odor Neutralizer | Cleans Septic Lines & Improves Drain Field Absorption - Septic Tank Treatment - 1 Year Supply of Septic Safe Dissolvable Easy Flush Live Bacteria Packets (12 Count) - Best Way to Prevent Expensive Sewage Backups - Made in USA - Roebic K-570-Q 32-Ounce Leach And Drain Field Opener Concentrate - Environmentally Friendly and Biodegradable Solution --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/38825583-down-john-once-a-year-septic-tank-treatment-live-bacteria](https://www.desertcart.pt/products/38825583-down-john-once-a-year-septic-tank-treatment-live-bacteria) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-11-03*