Best Caustic Soda Crystals 1kg of 2026

Last updated on 03/01/2026

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Nutwell DriPak Soda Crystals, 1kg x 6 bags, The Original Stain Remover

Nutwell DriPak Soda Crystals, 1kg x 6 bags, The Original Stain Remover

Softens hard water easily.
Fragrance free and natural.
Removes grease and stains.

Main Highlights

Softens hard water and prevents lime
Fragrance free and natural
Helps remove grease and stains
1kg x 6 bags.

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Nutwell DriPak Soda Crystals, 1kg x 6 bags, The Original Stain Remover

Softens hard water easily.
Fragrance free and natural.
Removes grease and stains.

Main Highlights

Softens hard water and prevents lime
Fragrance free and natural
Helps remove grease and stains
1kg x 6 bags.

Value for Money

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

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

Great for soap making.
Essential for detergent production.
Keeps pipes clear efficiently.

Main Highlights

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.

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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

Great for soap making.
Essential for detergent production.
Keeps pipes clear efficiently.

Main Highlights

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.

Powerful Caustic Soda Drain Cleaner | Effective Clog Remover, Industrial Strength Formula, Fast Action (3 X 375gm) (Packaging may vary)

Powerful Caustic Soda Drain Cleaner | Effective Clog Remover, Industrial Strength Formula, Fast Action (3 X 375gm) (Packaging may vary)

Generous 1125gm total quantity.
Convenient 3-bottle packaging.
Simple delivery information.

Main Highlights

Product Quantity : 1125gm (375g x 3 Bottles) , & 1 KG
Delivry nfo : We cannot deliver certain products outside mainland UK ( Details). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout.

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Powerful Caustic Soda Drain Cleaner | Effective Clog Remover, Industrial Strength Formula, Fast Action (3 X 375gm) (Packaging may vary)

Generous 1125gm total quantity.
Convenient 3-bottle packaging.
Simple delivery information.

Main Highlights

Product Quantity : 1125gm (375g x 3 Bottles) , & 1 KG
Delivry nfo : We cannot deliver certain products outside mainland UK ( Details). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout.

Caustic Soda Drain Unblocker Powder 1kg Professional Strength for Kitchen & Bathroom Sinks - Fast-Acting Pipe Cleaner - Removes Hair, Grease & Blockages

Caustic Soda Drain Unblocker Powder 1kg Professional Strength for Kitchen & Bathroom Sinks - Fast-Acting Pipe Cleaner - Removes Hair, Grease & Blockages

Prevents future plumbing clogs.
Dissolves stubborn sink blockages.
Efficient drainage with soda.

Main Highlights

Professional-Grade Drain Unblocking Power:- Rapidly dissolves hair, grease, food waste, and organic blockages in kitchen sinks, bathroom drains, and pipes; activates within minutes through saponification and exothermic heat generation
Industrial-Strength Formula for Tough Clogs:- 1kg sodium hydroxide powder delivers 10+ applications; 3x more concentrated than standard drain cleaners for heavy-duty use in homes, restaurants, and commercial plumbing systems
Safe for All Pipe Materials:- Compatible with PVC, copper, and steel pipes when used as directed; pH-balanced to avoid corrosion while maintaining optimal drainage flow
Eco-Conscientious Packaging:- Recyclable HDPE container with child-resistant lid; includes measuring scoop for precise 100g/1L water dilution to minimize chemical waste
Safe for all types of plumbing systems

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Caustic Soda Drain Unblocker Powder 1kg Professional Strength for Kitchen & Bathroom Sinks - Fast-Acting Pipe Cleaner - Removes Hair, Grease & Blockages

Prevents future plumbing clogs.
Dissolves stubborn sink blockages.
Efficient drainage with soda.

Main Highlights

Professional-Grade Drain Unblocking Power:- Rapidly dissolves hair, grease, food waste, and organic blockages in kitchen sinks, bathroom drains, and pipes; activates within minutes through saponification and exothermic heat generation
Industrial-Strength Formula for Tough Clogs:- 1kg sodium hydroxide powder delivers 10+ applications; 3x more concentrated than standard drain cleaners for heavy-duty use in homes, restaurants, and commercial plumbing systems
Safe for All Pipe Materials:- Compatible with PVC, copper, and steel pipes when used as directed; pH-balanced to avoid corrosion while maintaining optimal drainage flow
Eco-Conscientious Packaging:- Recyclable HDPE container with child-resistant lid; includes measuring scoop for precise 100g/1L water dilution to minimize chemical waste
Safe for all types of plumbing systems

3 X Dri Pak Soda Crystal, 1kg

3 X Dri Pak Soda Crystal, 1kg

Traditional and reliable cleaner.
Removes tough burnt residue.
Keeps sinks and drains fresh.

Main Highlights

Traditional & trusted
Removes burnt residue on in pots and pans
Help us keep fresh sinks and drains and power lock
Removing grease in the home and cleaning laundry
Remove moss and algae from paths and patios

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3 X Dri Pak Soda Crystal, 1kg

Traditional and reliable cleaner.
Removes tough burnt residue.
Keeps sinks and drains fresh.

Main Highlights

Traditional & trusted
Removes burnt residue on in pots and pans
Help us keep fresh sinks and drains and power lock
Removing grease in the home and cleaning laundry
Remove moss and algae from paths and patios

DP Soda Crystals 6x1kg

DP Soda Crystals 6x1kg

Main Highlights

Case of 6 x Dri-Pak Soda Crystals 1 kg

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DP Soda Crystals 6x1kg

Main Highlights

Case of 6 x Dri-Pak Soda Crystals 1 kg

Caustic Soda - Powerful Drain Cleaner & Degreaser | Clears Blocked Drains, Cleans Surfaces | Available in 500g, 1kg, 2kg, 2.5kg Sizes | Effective Cleaning Solution (Caustic Soda 1Kg)

Caustic Soda - Powerful Drain Cleaner & Degreaser | Clears Blocked Drains, Cleans Surfaces | Available in 500g, 1kg, 2kg, 2.5kg Sizes | Effective Cleaning Solution (Caustic Soda 1Kg)

DTD QUALITY MATTERS

Powerful cleaning and unblocking.
Versatile for various cleaning tasks.
Convenient resealable packaging for freshness.

Main Highlights

🔹 High-Quality Caustic Soda [Available in 500g, 1kg, 2kg, 2.5kg] – Dissolves easily in cold water, delivering powerful cleaning and unblocking for household and industrial use.
🔹 Multi-Purpose Cleaning Solution – Perfect for clearing blocked drains, wastepipes, and tough grime. Ideal for sanitizing bins, kennels, stables, and more.
🔹 Effective Paint Stripping – Quickly strips paint when neutralized with white vinegar, making it essential for DIY projects and renovation tasks.
🔹 Fast-Acting & Easy to Use – dissolve rapidly in cold water for immediate action. Efficiently removes stubborn blockages, grease, and dirt.
🔹 Secure, Resealable Packaging – Conveniently packaged in a resealable bag to maintain freshness and ensure easy storage. Always follow safety instructions for safe handling.

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DTD QUALITY MATTERS

Caustic Soda - Powerful Drain Cleaner & Degreaser | Clears Blocked Drains, Cleans Surfaces | Available in 500g, 1kg, 2kg, 2.5kg Sizes | Effective Cleaning Solution (Caustic Soda 1Kg)

Powerful cleaning and unblocking.
Versatile for various cleaning tasks.
Convenient resealable packaging for freshness.

Main Highlights

🔹 High-Quality Caustic Soda [Available in 500g, 1kg, 2kg, 2.5kg] – Dissolves easily in cold water, delivering powerful cleaning and unblocking for household and industrial use.
🔹 Multi-Purpose Cleaning Solution – Perfect for clearing blocked drains, wastepipes, and tough grime. Ideal for sanitizing bins, kennels, stables, and more.
🔹 Effective Paint Stripping – Quickly strips paint when neutralized with white vinegar, making it essential for DIY projects and renovation tasks.
🔹 Fast-Acting & Easy to Use – dissolve rapidly in cold water for immediate action. Efficiently removes stubborn blockages, grease, and dirt.
🔹 Secure, Resealable Packaging – Conveniently packaged in a resealable bag to maintain freshness and ensure easy storage. Always follow safety instructions for safe handling.

Powerful 1000G Caustic Soda Drain Cleaner - The Original & Best Sink Unblocker | Strong Caustic Soda Powder for Drains, Effective Clog Remover (0.5KG)

Powerful 1000G Caustic Soda Drain Cleaner - The Original & Best Sink Unblocker | Strong Caustic Soda Powder for Drains, Effective Clog Remover (0.5KG)

Powerful formula clears blockages fast.
Versatile for multiple cleaning tasks.
Delivery options ensure local availability.

Main Highlights

Powerful Drain Cleaner: Caustic soda granules effectively dissolve in cold water to clear blocked drains and clean surfaces.
Versatile Uses: Can also be used for stripping paint when neutralised with white vinegar.
Delivery info : We cannot deliver certain products outside mainland UK ( Details). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout

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Powerful 1000G Caustic Soda Drain Cleaner - The Original & Best Sink Unblocker | Strong Caustic Soda Powder for Drains, Effective Clog Remover (0.5KG)

Powerful formula clears blockages fast.
Versatile for multiple cleaning tasks.
Delivery options ensure local availability.

Main Highlights

Powerful Drain Cleaner: Caustic soda granules effectively dissolve in cold water to clear blocked drains and clean surfaces.
Versatile Uses: Can also be used for stripping paint when neutralised with white vinegar.
Delivery info : We cannot deliver certain products outside mainland UK ( Details). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout

Powerful Drain Cleaner & Unblocker l 1KG Caustic Soda | Fast-Acting, Heavy-Duty Sink & Drain Cleaner | Strong & Effective | The Original & Best l Works 3x Better Than Bleach (Packaging Varies)

Powerful Drain Cleaner & Unblocker l 1KG Caustic Soda | Fast-Acting, Heavy-Duty Sink & Drain Cleaner | Strong & Effective | The Original & Best l Works 3x Better Than Bleach (Packaging Varies)

The Retail Heaven

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Main Highlights

Drain cleaners and unblockers 1KG Caustic Soda Drain Cleaner Caustic Soda Powder Sink and Drain cleaner strong the original and best drain cleaner kitchen drain unblocker
Brand : Generic
Product type: DRAIN OPENER SUBSTANCE

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The Retail Heaven

Powerful Drain Cleaner & Unblocker l 1KG Caustic Soda | Fast-Acting, Heavy-Duty Sink & Drain Cleaner | Strong & Effective | The Original & Best l Works 3x Better Than Bleach (Packaging Varies)

Please provide a product description for me to generate the "Why we Love It" section.

Main Highlights

Drain cleaners and unblockers 1KG Caustic Soda Drain Cleaner Caustic Soda Powder Sink and Drain cleaner strong the original and best drain cleaner kitchen drain unblocker
Brand : Generic
Product type: DRAIN OPENER SUBSTANCE

Max Strength Caustic Soda 1kg – Premium Grade Caustic Soda Pearl Granules, Powerful Sink Unblocker & Degreaser

Max Strength Caustic Soda 1kg – Premium Grade Caustic Soda Pearl Granules, Powerful Sink Unblocker & Degreaser

Powerful cleaning for tough stains.
Unblocks drains effectively and quickly.
Perfect for homemade soap crafting.

Main Highlights

MAX STRENGTH CAUSTIC SODA - A traditional product that is suitable for a range of cleaning tasks. Caustic Soda degreases and cleans drains, toilets, paths, concrete, brickwork and dustbins.
EFFECTIVE DRAIN UNBLOCKER – Simply add 50g to 1L of cold water in a plastic container. Stir constantly, the solution will heat up. Carefully pour entire solution down the drain. Leave for 30min then flush with hot water.
GENERAL CLEANING & DEGREASING – Simply add 25g to 1L of cold water in a plastic container. Stir constantly, solution will heat up. Allow to cool before use. After application, wash area thoroughly with cold water.
SUITABLE FOR SOAP MAKING - Premium Grade Sodium Hydroxide Caustic Soda Pearl Granules.

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Max Strength Caustic Soda 1kg – Premium Grade Caustic Soda Pearl Granules, Powerful Sink Unblocker & Degreaser

Powerful cleaning for tough stains.
Unblocks drains effectively and quickly.
Perfect for homemade soap crafting.

Main Highlights

MAX STRENGTH CAUSTIC SODA - A traditional product that is suitable for a range of cleaning tasks. Caustic Soda degreases and cleans drains, toilets, paths, concrete, brickwork and dustbins.
EFFECTIVE DRAIN UNBLOCKER – Simply add 50g to 1L of cold water in a plastic container. Stir constantly, the solution will heat up. Carefully pour entire solution down the drain. Leave for 30min then flush with hot water.
GENERAL CLEANING & DEGREASING – Simply add 25g to 1L of cold water in a plastic container. Stir constantly, solution will heat up. Allow to cool before use. After application, wash area thoroughly with cold water.
SUITABLE FOR SOAP MAKING - Premium Grade Sodium Hydroxide Caustic Soda Pearl Granules.

We scanned 1629 products

We reviewed these offers relevant to the Caustic Soda Crystals 1kg within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Nutwell, Spartax, EasyClean, Generic, Dri-Pak, DTD QUALITY MATTERS, Sterling Saver, The Retail Heaven, Max, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Caustic Soda Crystals 1kg in the market, we considered we took a deep dive into 8146 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Nutwell DriPak Soda Crystals, 1kg x 6 bags, The Original Stain Remover. We love many things about this product by Nutwell. What sets it apart from the competition is Softens hard water easily, Fragrance free and natural, Removes grease and stains.
The best value product for most shoppers and where user satisfaction is continuously the highest is 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 based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Caustic Soda Crystals 1kg and the best cost-to-value ratio is Max Strength Caustic Soda 1kg – Premium Grade Caustic Soda Pearl Granules, Powerful Sink Unblocker & Degreaserat Max with a 15% discount.
Our list of the best Caustic Soda Crystals 1kg is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.