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10 bestDrain Cleaner For Cast Iron Pipesof February 2025

112M consumers helped this year.

1

Mr Muscle Drain Unblocker, Sink & Drain Cleaner, Fast Acting Heavy Duty Drain Gel, Dissolves Clogs, Works 3x Better Than Bleach, Safe for All Pipes, Duo Pack, (2 x 1L)
Mr Muscle Drain Unblocker, Sink & Drain Cleaner, Fast Acting Heavy Duty Drain Gel, Dissolves Clogs, Works 3x Better Than Bleach, Safe for All Pipes, Duo Pack, (2 x 1L)

Mr Muscle

9.7

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2

Spear Jackson Heavy Duty Sink and Drain Unblocker Gel - Powerful Formula- Indoor and Outdoor, 5 l (Pack of 1)
Spear Jackson Heavy Duty Sink and Drain Unblocker Gel - Powerful Formula- Indoor and Outdoor, 5 l (Pack of 1)

Spear & Jackson

9.4

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11% off

3

Caustic Soda
Caustic Soda

The Retail Heaven

9.1

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20% off

4

Zep Commercial Unblocker Heat Drain Liquid
Zep Commercial Unblocker Heat Drain Liquid

Zep

8.8

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5

MultiWare Drain Unblocker | Sink Unblocker | Heavy Duty Drain Cleaner | Toilet Unblocker | Dissolves Clogs Grease Hair Soap | Easy To Use | Safe For ALL Pipes (1)
MultiWare Drain Unblocker | Sink Unblocker | Heavy Duty Drain Cleaner | Toilet Unblocker | Dissolves Clogs Grease Hair Soap | Easy To Use | Safe For ALL Pipes (1)

MultiWare

8.5

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Chemiphase Drainklenz - Non Acid Drain & Pipeline Cleaner/Descaler - 20 Litres

Chemiphase Drainklenz - Non Acid Drain & Pipeline Cleaner/Descaler - 20 Litres

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Powerful Sink & Drain Cleaner - Unclog Your Pipes with Foaming Drain Cleaner and Pipe Dredging Powder (2 Bot)

Powerful Sink & Drain Cleaner - Unclog Your Pipes with Foaming Drain Cleaner and Pipe Dredging Powder (2 Bot)

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6

Zep Drain Bioclean & Odour Control - 1l, Drain Unblocker For Preventive Maintenance to keep a drain unblocked, Perfect Drain Cleaner For Bad Smells, Sink Cleaner For Smelling Sinks, Zep Commercial
Zep Drain Bioclean & Odour Control - 1l, Drain Unblocker For Preventive Maintenance to keep a drain unblocked, Perfect Drain Cleaner For Bad Smells, Sink Cleaner For Smelling Sinks, Zep Commercial

Zep

8.2

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7

Spear and Jackson 2 x 500ml Heavy Duty Sink and Drain Unblocker
Spear and Jackson 2 x 500ml Heavy Duty Sink and Drain Unblocker

Spear Jackson

7.9

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8

Black Swan 51999 PCDC Powder Crystal Drain Cleaner, White, 15.24 cm*10.32 cm*10.32 cm
Black Swan 51999 PCDC Powder Crystal Drain Cleaner, White, 15.24 cm*10.32 cm*10.32 cm

Black Swan

7.6

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9

Drano Liquid Clog Remover Drain Cleaner, 32 oz
Drano Liquid Clog Remover Drain Cleaner, 32 oz

Drano

7.3

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10

Powerful Caustic Soda Drain Cleaner(1kg) | Effective Clog Remover, Industrial Strength Formula, Fast Action
Powerful Caustic Soda Drain Cleaner(1kg) | Effective Clog Remover, Industrial Strength Formula, Fast Action

EasyClean

7.0

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