--- product_id: 253585322 title: "Bio-Pak Black Holding Tank Deodorizer & Waste Digester Drop-Ins - Advanced Enzyme Formula for Rapid Breakdown of Waste & Paper, Removes Odors & Cleans Tank; Tropical Breeze, 10-Pack" brand: "walex" price: "€ 36.21" currency: EUR in_stock: true reviews_count: 9 category: "Walex" url: https://www.desertcart.be/products/253585322-bio-pak-black-holding-tank-deodorizer-and-waste-digester-drop store_origin: BE region: Belgium --- # Eco-friendly, septic-safe & residue-free Fits tanks from 2.5 to 40 gallons, perfect for RV & marine use Advanced enzyme formula for rapid waste breakdown Bio-Pak Black Holding Tank Deodorizer & Waste Digester Drop-Ins - Advanced Enzyme Formula for Rapid Breakdown of Waste & Paper, Removes Odors & Cleans Tank; Tropical Breeze, 10-Pack **Brand:** walex **Price:** € 36.21 **Availability:** ✅ In Stock ## Summary > 🌴 Keep your tank fresh and your adventures unstoppable! ## Quick Answers - **What is this?** Bio-Pak Black Holding Tank Deodorizer & Waste Digester Drop-Ins - Advanced Enzyme Formula for Rapid Breakdown of Waste & Paper, Removes Odors & Cleans Tank; Tropical Breeze, 10-Pack by walex - **How much does it cost?** € 36.21 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/253585322-bio-pak-black-holding-tank-deodorizer-and-waste-digester-drop) ## Best For - walex enthusiasts ## Why This Product - Trusted walex brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted Since 1987:** Made in the USA by Walex, a leader in premium odor control and sanitation solutions. - • **Odor-Free Adventures:** Tropical Breeze scent neutralizes odors, so your RV or boat always smells fresh. - • **Eco-Conscious Formula:** Septic-safe, non-staining, and biodegradable for guilt-free sanitation. - • **Swift Waste Breakdown:** Powerful enzymes liquefy waste & toilet paper fast, keeping your system clog-free. - • **Universal Tank Compatibility:** Works seamlessly with all black holding tanks from 2.5 to 40 gallons—versatility on the go. ## Overview Walex Bio-Pak Black Holding Tank Deodorizer & Waste Digester Drop-Ins use an advanced enzyme formula to rapidly break down waste and toilet paper, eliminating odors with a refreshing Tropical Breeze scent. Designed for black tanks between 2.5 and 40 gallons, these eco-friendly, septic-safe tablets keep RVs, boats, and portable toilets clean and odor-free. Trusted since 1987, Walex delivers reliable, residue-free sanitation in a convenient 10-pack. ## Description New all-natural waste digester- an advanced enzyme system developed by Walex R&D deodorizes and breaks down waste in a manner beneficial to septic tanks, ideal for RVs and boats. Review: Smell good - Still did't use it in close sewage system. But it smell is stronge and I think it will fit it purpose. Review: As described - Works well ## Features - NATURAL WASTE BREAKDOWN - Swiftly breaks down waste and stubborn toilet paper, keeping your holding tank sensors working effectively and system running smooth. No need for RV-grade toilet paper. - ENZYME HOLDING TANK DEODORIZER - Bio-Pak marine and RV holding tank deodorizer tabs contain powerful enzymes that liquefy waste and tackle unpleasant smells. Just drop it in, non-staining color. - VERSATILE FOR ALL TANKS - Our marine and RV tank deodorizer for black tanks cleans tanks from 2.5 gallons - 40 gallons. Ideal for RVing, boating, boondocking, and portable camping toilets. - TROPICAL BREEZE 10 PACK - Say goodbye to embarrassing odors with our marine and RV drop ins for toilets. Plus, our boat and RV toilet deodorizer is septic system-safe and campground-friendly. - MADE IN USA - Walex has been a global leader in developing and manufacturing premium odor control and sanitation products since 1987. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00T36JF1W | | Best Sellers Rank | #9,064 in Automotive ( See Top 100 in Automotive ) #4 in RV Sewer Chemicals & Cleaners | | Brand | Walex | | Brand Name | Walex | | Contains Liquid Contents? | Yes | | Customer Reviews | 4.6 out of 5 stars 9,057 Reviews | | Global Trade Identification Number | 00742693115318 | | Included Components | 10 packets per bag | | Item Form | Tablet | | Item Type Name | Bio-Pak Tropical Breeze | | Item Volume | 1 Gallons | | Item Weight | 0.3 Ounces | | Item form | Tablet | | Item volume | 1 Gallons | | Manufacturer | Walex Products Company, Inc | | Material Features | Eco-Friendly | | Material features | Eco-Friendly | | Model Number | BIOTROPBG | | Number of Items | 1 | | Part Interchange Info | BIOTROPBG | | Part Number | BIOTROPBG | | Scent | Tropical Breeze | | Size | 10 Count (Pack of 1) | | Special Features | Residue Free | | Specific Uses For Product | Toilet | | Specific uses for product | Toilet | | Surface Recommendation | Toilet | | UPC | 742693115318 | | Unit Count | 10 Count | ## Product Details - **Brand:** Walex - **Item form:** Tablet - **Material features:** Eco-Friendly - **Scent:** Tropical Breeze - **Specific uses for product:** Toilet ## Images ![Bio-Pak Black Holding Tank Deodorizer & Waste Digester Drop-Ins - Advanced Enzyme Formula for Rapid Breakdown of Waste & Paper, Removes Odors & Cleans Tank; Tropical Breeze, 10-Pack - Image 1](https://m.media-amazon.com/images/I/81Od6zLQpZL.jpg) ## Available Options This product comes in different **Scent** options. ## Questions & Answers **Q: how much gallons could i treat with this package?** A: The packaging says that each Bio-pak treats up to a 40-gallon waste tank. **Q: How many treatments are in this pack?** A: 10 Drop ins **Q: Is this product available in mini pods?** A: One size only **Q: Can you use these in a 3 gallon porta potty tank??** A: The pods once dropped in are good for 7 days. Personally, for a 3 gallon tank, I would use a liquid same brand or another the liquids come with a measuring spout or cap. That way you can add an amount for 3 gallon tanks. ## Customer Reviews ### ⭐⭐⭐ Smell good *by A***I on 7 February 2023* Still did't use it in close sewage system. But it smell is stronge and I think it will fit it purpose. ### ⭐⭐⭐⭐ As described *by D***D on 4 January 2021* Works well ### ⭐⭐ not good *by B***. on 8 November 2020* the product is not good on hard waste, it was ok on tissues only. also we ordered the green pack we received the purple one. ## Frequently Bought Together - Walex Bio-Pak Black Holding Tank Deodorizer & Waste Digester Drop-Ins - Advanced Enzyme Formula for Rapid Breakdown of Waste & Paper, Removes Odors & Cleans Tank; Tropical Breeze, 10-Pack - Scott Rapid-Dissolving Toilet Paper, 12 Double Rolls, Sustainable, Septic-Safe, Toilet Paper - Walex Porta-Pak Black Holding Tank Deodorizer & Portion Control System Drop-Ins - Rapid Breakdown of Waste & Paper, Odor Prevention, Cleans Tank & Sensors - Fresh Scent, 10-Pack --- ## 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.be/products/253585322-bio-pak-black-holding-tank-deodorizer-and-waste-digester-drop](https://www.desertcart.be/products/253585322-bio-pak-black-holding-tank-deodorizer-and-waste-digester-drop) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-10-07*