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Low Aquatic Toxicity
Thrive SCALEZAP Biological Toilet Descaler 1kg
£36.35
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
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
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








