Good Eco Rating

Low Aquatic Toxicity

Thrive SCALEZAP Biological Toilet Descaler 1kg

£36.35

£43.62 inc. VAT
In stock
Case Quantity: 1 kg bag
Code: 101402

Thrive Scalezap is a powerful heavy-duty biological descaler designed to eliminate stubborn limescale build-up in toilets, sinks, and pipework. Using a potent blend of organic agents, it rapidly penetrates and dissolves scale without relying on harsh or corrosive chemicals. This fast-acting formula delivers exceptional cleaning performance with minimal effort, reducing the need for repeated applications or intensive scrubbing.
Scalezap not only cleans thoroughly but also helps maintain the integrity of plumbing infrastructure, making it ideal for both regular maintenance and intensive descaling tasks. It outperforms traditional chemical cleaners while being safer for surfaces and systems.

See user information or watch the video for directions on how many scoops to use.

Good Eco Rating

Good

Our Good standard products represents a high level of sustainability.

Made in the UK

Natural / Plant Derived

Low Aquatic Toxicity

Recyclable Packaging

 Directions for Use:

  • Add scoops as required (approximately 100g) directly into the affected toilet, sink or pipework for immediate results.
  • Add 4 scoops  to the toilet bowl for immediate results on first use.
  • Follow up with 2 scoops  twice a week for 4 weeks.
  • Then maintain with 1 scoop  once a week for ongoing maintenance, if scale starts to build up you can increase back to 2 scoops.
  • Allow the product to dissolve and activate – releasing its powerful organic descaling agents.
  • Lightly scrub around the impacted area if needed.
  • Leave overnight for maximum effect.
  • Flush or rinse thoroughly the following day.

Usage Tips:

  • Ideal for tackling heavy, built-up limescale in toilets and drains.
  • Can be used as part of a regular maintenance routine to prevent scale build-up.
  • Pack Size: 1KG (resealable bag)
  • Format: Granular powder
  • Active Ingredients: Organic descaling agents, biodegradable enzymes, odour-control compounds
  • Suitable For: Toilets, urinals, sinks, drains, pipework
  • pH Level: Mildly acidic (non-corrosive)
  • Scent: Low-odour with deodorising action
  • Scoop Included: Yes
Your Material Safety Data Sheet (MSDS) covers all the important information you need to know about the product you are using.

Download Safety Sheet

Your product data sheet covers all the key information about this product for you to download.

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Manufacturing & Sourcing

Living Wage Supplier

Yes

Renewable Power in Manufacturing Process

< 25%

Region of Manufacture

UK

Product Composition & Materials

Product Composition - Natural / Plant Derived

> 80%

Single Use Plastic Level

Medium

Packaging

Partial Recycled & Recyclable

Eco Cost In Use

Ready To Use

Environmental Impact

Aquatic Toxicity

Zero

Human risk in use (CLP)

Medium

VOCs (Volatile Organic Compounds)

None

Carbon Saving CO2 per KG

High

Sustainable Certification