--- product_id: 671350933 title: "Sodium Hydroxide, Caustic soda powder, Lye for soap making, Sink unblocker the best drain cleaners and unblockers, Strongest toilet unblocker, kitchen sink unblocker, drain cleaner, sink cleaner, 1KG" brand: "spartax" price: "€ 31.48" currency: EUR in_stock: true category: "Spartax" url: https://www.desertcart.be/products/671350933-sodium-hydroxide-caustic-soda-powder-lye-for-soap-making-sink store_origin: BE region: Belgium --- # Heavy-duty clog dissolving power Multi-surface unblocker: sink, toilet, shower 99% pure Sodium Hydroxide powder Sodium Hydroxide, Caustic soda powder, Lye for soap making, Sink unblocker the best drain cleaners and unblockers, Strongest toilet unblocker, kitchen sink unblocker, drain cleaner, sink cleaner, 1KG **Brand:** spartax **Price:** € 31.48 **Availability:** ✅ In Stock ## Summary > ⚡ Clear drains, craft soaps, conquer clogs — all in one powerful powder! ## Quick Answers - **What is this?** Sodium Hydroxide, Caustic soda powder, Lye for soap making, Sink unblocker the best drain cleaners and unblockers, Strongest toilet unblocker, kitchen sink unblocker, drain cleaner, sink cleaner, 1KG by spartax - **How much does it cost?** € 31.48 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/671350933-sodium-hydroxide-caustic-soda-powder-lye-for-soap-making-sink) ## Best For - spartax enthusiasts ## Why This Product - Trusted spartax brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Odor & Residue Eliminator:** Not just unblocker—removes drain smells and keeps plumbing hygienic - • **Versatile Cleaning Solution:** Effective on sinks, toilets, showers, and pipes for all-around maintenance - • **Industrial-Grade Performance:** Trusted by professionals for heavy-duty drain and toilet unclogging - • **Pure Power for Soap Crafting:** Essential lye ingredient for premium handmade soaps - • **Unmatched Drain Clearing Strength:** Tackles toughest blockages in kitchen, bathroom, and outdoor drains ## Overview Spartax Sodium Hydroxide (Caustic Soda) 1KG is a high-purity, industrial-strength powder essential for soap making and heavy-duty drain cleaning. With a 4.6-star rating and top 50 rank in drain openers, it efficiently dissolves tough blockages across sinks, toilets, showers, and outdoor drains while eliminating odors. Ideal for both craft enthusiasts and professional maintenance, this versatile chemical delivers unmatched cleaning power and reliable performance. ## Description Caustic Soda - Sodium Hydroxide, essential for craft enthusiasts and commercial cleaners alike. It serves as a crucial component in lye for soap making, commonly included in soap making kit and soap making supplies. As a base in soap base, it catalyses saponification, making it indispensable in crafting high-quality soaps. In cleaning applications, this potent caustic soda crystals acts as a clog cleaner and more specifically, sink and drain cleaner, efficiently clearing severe blockages. It is known for its effectiveness as a sink unblocker, toilet unblocker, shower unblocker, and shower drain unblocker, ensuring free-flowing pipes and drains in both residential and commercial settings.It excels in rigorous environments as a toilet unblocker heavy duty, industrial drain unblocker, and heavy duty drain unblocker, showcasing its versatility across various scenarios. It also addresses kitchen needs as a kitchen sink unblocker and complements this with its role as a kitchen drain unblocker. Outdoor cleaning challenges are no match for its strength as both an outdoor drain unblocker and outside drain unblocker. Its specialized formulations include caustic soda drain unblocker and wild sink and drain cleaner, tailored for diverse cleaning tasks. It’s further used as a bathroom drain unblocker and bathroom sink unblocker, providing comprehensive solutions for bathroom maintenance. This chemical is effective as a bath unblocker, drain unblocker bathroom, bathtub cleaner, sink drain cleaner, and drain hair remover. It rounds out its capabilities as a plughole unblocker, shower drain cleaner, drain cleaners and unblockers, and drainpipe cleaner, ensuring that all plumbing systems remain in optimal condition. It serves as a drain smell eliminator, pipe unblocker, and toilet drain unblocker, actively eliminating odors and maintaining hygiene. Handling this robust solution requires careful attention, ensuring effectiveness while prioritizing safety in its diverse applications. ## Features - Causes severe skin burns and eye damage. - May be corrosive to metals. - a. Soap making supplies. Sodium hydroxide powder is crucial in soap and detergent production. Great for soap making kit. Lye for soap making, soap base. - b. Drain unblocker and sink unblocker combine with toilet unblocker for complete clog resolution. Shower drain unblocker and kitchen sink unblocker ensure smooth water flow. - c. Use caustic soda drain unblocker and heavy duty drain unblocker for tough blockages. Outdoor drain unblocker and bathroom sink unblocker target specific areas effectively. - d. Toilet unblocker heavy duty pairs with sink and drain cleaner for powerful cleaning. Drain hair remover and plughole unblocker offer targeted solutions to keep pipes clear. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0DLP6QM9G | | Best Sellers Rank | 6,370 in Grocery ( See Top 100 in Grocery ) 44 in Drain Openers | | Brand | Spartax | | Customer Reviews | 4.6 4.6 out of 5 stars (162) | | Manufacturer | AB Powder Products Limited | | Manufacturer Part Number | 313450 | ## Product Details - **Brand:** Spartax - **Item weight:** 1 Kilograms - **Molecular formula:** NaOH - **Purity percentage:** 99 - **Item volume:** 1 Kilograms ## Images ![Sodium Hydroxide, Caustic soda powder, Lye for soap making, Sink unblocker the best drain cleaners and unblockers, Strongest toilet unblocker, kitchen sink unblocker, drain cleaner, sink cleaner, 1KG - Image 1](https://m.media-amazon.com/images/I/418u3iPZ0kL.jpg) ## Frequently Bought Together - Sodium Hydroxide, Caustic soda powder, Lye for soap making, Sink unblocker the best drain cleaners and unblockers, Strongest toilet unblocker, kitchen sink unblocker, drain cleaner, sink cleaner, 1KG - Shea Butter 1kg (2X500g) - Refined 100% Pure and Natural - Freshskin Beauty LTD | 1kg Organic Extra Virgin Coconut Oil - 100% Pure, Raw & Cold Pressed (1000g) --- ## 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/671350933-sodium-hydroxide-caustic-soda-powder-lye-for-soap-making-sink](https://www.desertcart.be/products/671350933-sodium-hydroxide-caustic-soda-powder-lye-for-soap-making-sink) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-10-29*