Best Caustic Soda Crystals Deals Online in the UK (12 Deals Found)

Last Updated - 24/09/2026 Sort By:

Best Choice
Max

New
Max Strength Caustic Soda, High Performance Caustic Soda Drain Unblocker and Degreaser, Powerful Sodium Hydroxide for Bi
PREMIUM GRADE CAUSTIC SODA DEGREASES A RANGE OF SURFACES - Max Strength Caustic Soda cuts through grease, oil and build-

£10.78
The Retail Heaven

New
Caustic Soda
Drain cleaners and unblockers 1KG Caustic Soda Drain Cleaner Caustic Soda Powder Sink and Drain cleaner strong the origi

£8.49
New
Evo Whitening Strips Standard 6 Strips (3 Treatments) Teeth Whitener New Sealed
Evo Whitening Strips Standard 6 Strips (3 Treatments) Teeth Whitener New Sealed.

£5.53
EMBO

New
Soda Crystals Multi-Purpose Cleaner and Laundry Aid, 1 kg, 1 Pack
Soda Crystals are a versatile household cleaner suitable for a wide range of cleaning tasks around the home.

£3.99
New
Bundle-Evo Teeth Whitening Pens & Evo Purple Toothpaste Instant Color Correction
3 - evo Purple Toothpaste Instant Color Correction - Peppermint (3.5 oz each).

£18.88
MUSON TRADE

New
MUSON Caustic Soda 5KG | Free Scoop + 10 Gloves | Professional Drain Unblocker & Degreaser | Heavy Duty Sink & Pipe Clea
Caustic Soda 5KG Professional Grade 98%: Ideal for unclogging sewer blockages, cleaning sinks, and breaking down grease.

£34.99
Best Value
EasyClean

New
Powerful Caustic Soda Drain Cleaner | Effective Clog Remover, Industrial Strength Formula, Fast Action (3 X 375gm) (Pack
Product Quantity : 1125gm (375g x 3 Bottles) , & 1 KG

£11.29
Max

New
Max Strength Caustic Soda, High Performance Caustic Soda Drain Unblocker and Degreaser, Powerful Sodium Hydroxide for Bi
HIGH PERFORMANCE CAUSTIC SODA DEGREASES A RANGE OF SURFACES - Max Strength Caustic Soda cuts through grease, oil and bui

£6.00
Dri-Pak

New
3 X Dri Pak Soda Crystal, 1kg
Traditional & trusted

£8.45
Max

New
Max Traditional Soda Crystals for Cleaning 450g - Washing Soda for Laundry
MULTI-PURPOSE SODA CRYSTALS FOR YOUR HOME – Tackle grease, grime and stubborn stains throughout your home. Ideal soda cr

£5.00
MUSON TRADE

New
MUSON Caustic Soda 1KG | Free Scoop + 2 Gloves | Professional Drain Unblocker & Degreaser | Heavy Duty Sink & Pipe Clean
Caustic Soda 1KG Professional Grade 98%: Ideal for unclogging sewer blockages, cleaning sinks, and breaking down grease.

£13.99
Homey Mart

New
Soda Crystals 1.2kg – Multi-Purpose Cleaner & Degreaser | Removes Stains, Softens Water, Unblocks Drains, Natural Househ
🏡🧼🍃 POWERFUL MULTI-PURPOSE CLEANING – Soda crystals dissolve grease, grime and dirt fast, making them ideal for kitch

£6.99

12 Caustic Soda Crystals deals are available from: Amazon, eBay stores, starting from £3.99.
The biggest discount we found is 10%% on Max Strength Caustic Soda, High Performance Caustic Soda Drain Unblocker and Degreaser, Powerful Sodium Hydroxide for Bins, Toilets, Drains, Concrete, Paths and More, 1kg - Made in the UK at Amazon.
The lowest price we found is £3.99 while the highest is £34.99.
Prices for the best Caustic Soda Crystals deals average at £11.20.
Last updated on September 24, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Caustic Soda Crystals.