---
product_id: 528978330
title: "3in1 In-Cistern Toilet Blocks Original, Pack of 4, Limescale Remover Cistern, Cleaner with Cleaning and Foaming Action, Fresheners"
brand: "bloo"
price: "57 Lei"
currency: RON
in_stock: true
reviews_count: 11
url: https://www.desertcart.ro/products/528978330-3in1-in-cistern-toilet-blocks-original-pack-of-4-limescale
store_origin: RO
region: Romania
---

# Lasts up to 400 flushes per block Blue water technology for freshness Foaming action cleans every flush 3in1 In-Cistern Toilet Blocks Original, Pack of 4, Limescale Remover Cistern, Cleaner with Cleaning and Foaming Action, Fresheners

**Brand:** bloo
**Price:** 57 Lei
**Availability:** ✅ In Stock

## Summary

> 🚽 Keep your throne fresh and flawless—flush with confidence every time!

## Quick Answers

- **What is this?** 3in1 In-Cistern Toilet Blocks Original, Pack of 4, Limescale Remover Cistern, Cleaner with Cleaning and Foaming Action, Fresheners by bloo
- **How much does it cost?** 57 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/528978330-3in1-in-cistern-toilet-blocks-original-pack-of-4-limescale)

## Best For

- bloo enthusiasts

## Why This Product

- Trusted bloo brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Simple, No-Mess Use:** Drop the block in with its dissolvable wrapper—no fuss, no mess, just reliable cleanliness.
- • **Vibrant Blue Freshness:** Transforms toilet water into a refreshing blue, signaling active cleaning and a hygienic bathroom vibe.
- • **Effortless Hygiene Boost:** Foams and cleans your toilet with every flush, ensuring a fresh, spotless bowl without extra scrubbing.
- • **Limescale Defense System:** Powerful formula prevents limescale buildup, keeping your toilet pristine between deep cleans.
- • **Long-Lasting Performance:** Each block delivers up to 400 flushes of continuous cleaning and freshness—less hassle, more confidence.

## Overview

Bloo 3in1 In-Cistern Toilet Blocks combine powerful foaming action, limescale prevention, and vibrant blue water technology to deliver up to 400 flushes of hygienic cleanliness and freshness per block. Designed for easy use and long-lasting performance, these blocks keep your toilet fresh from cistern to bowl, making every flush a step towards a spotless bathroom.

## Description

Product Description A hygienically clean and fresh toilet from the cistern out with every flush! Make your loo the best seat in the house with a long-lasting Bloo toilet block that you can rely on. Bloo in cistern block gets your toilet shining again with cleaning and foaming action, giving you a hygienically clean and fresh toilet from cistern to toilet rim to bowl, with every flush! Bring colour to your bathroom and turn your toilet water blue with Bloo blue water technology that actively cleans between flushes! With a concentrated cleaning action designed to prevent limescale, this toilet unblocker range cleans from the cistern to bowl every time you flush for a long lasting, hygenic clean. How to use: There is no need to remove the pleated wrapper as this will dissolve in the water. 1. Open your cistern and drop the block, with the film on, into the cistern by the water float. 2. Allow 10 minutes for the block to settle before flushing. 3. Replace with a new block when the colour starts to fade. 4. Each block can last up to 400 flushes. Product details: - Toilet cleaner In cistern block - Foams and cleans with every flush - Prevents limescale, toilet descaler - Toilet Tablets turns toilet water blue - Each toilet block lasts up to 400 flushes- Pair with Bloo toilet cleaner products range for full hygienically cleaning effect Ingredients 15 - 30 % Anionic Surfactants, 5 - 15 % Non-Ionic Surfactants, Further ingredients: Perfumes (Hexyl Cinnamal, Eugenol, Alpha-Isomethyl Ionone, Coumarin, Citronellol)

Review: Nothing else compares these are the best by far! - I’ve tried plenty of alternatives over the years and honestly, nothing comes close to these. They’re long-lasting, keep the toilet fresh between cleans, and the colour stays strong right to the end. Reliable, effective, and totally worth it — proper top-tier quality.
Review: Great product - Those cubes are amazing. Using them already for so long and they keeping toilet clean and smell fresh. The box last so long and pricey is amazing. Service is brilliant as well. Arrived very fast great communication. Thank you

## Features

- Causes serious eye damage.
- Causes skin irritation.
- Harmful to aquatic life with long lasting effects.
- New: New Bloo toilet cistern blocks for stronger and longer lasting results to keep your loo fresh and clean.
- Fresh and clean: Bloo toilet blocks give you a hygienically toilet cleaning foam from the cistern as well as foaming action and blue water with every flush
- Toilet limescale remover: Bloo toilet cistern blocks create a strong foaming action to prevent limescale, keeping the loo hygienically clean in between deep cleans
- Clean colour: Bring colour to your bathroom and turn your toilet water blue with the blue toilet blocks which freshen and target limescale between flushes
- Long Lasting: The blue toilet stain remover block lasts for multiple flushes, up to 800 flushes (4 weeks per block) of cleaning and foaming blue water action.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0C1NRQP2G |
| ASIN  | B0C1NRQP2G |
| Best Sellers Rank | 1,214 in Grocery ( See Top 100 in Grocery ) 19 in Toilet Cleaners |
| Brand | Bloo |
| Customer Reviews | 4.5 4.5 out of 5 stars (2,254) |
| Customer reviews | 4.5 4.5 out of 5 stars (2,254) |
| Date First Available | 6 April 2023 |
| Format | Tablet |
| Item model number  | 2880302 |
| Manufacturer  | Henkel |
| Package Dimensions  | 16.7 x 12.5 x 3.2 cm; 210 g |
| Units | 4.0 count |

## Product Details

- **Brand:** Bloo
- **Contains liquid contents:** Yes
- **Item form:** Tablet
- **Material feature:** clean
- **Number of items:** 4
- **Scent:** Fresh
- **Special feature:** Concentrated, Descaler, Prevents Limescale, Removes limescale
- **Specific uses for product:** Bathroom, Toilet
- **Surface recommendation:** Toilet
- **Unit count:** 4.0 count

## Images

![3in1 In-Cistern Toilet Blocks Original, Pack of 4, Limescale Remover Cistern, Cleaner with Cleaning and Foaming Action, Fresheners - Image 1](https://m.media-amazon.com/images/I/81gz-8n9C7L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Nothing else compares these are the best by far!
*by R***H on 23 October 2025*

I’ve tried plenty of alternatives over the years and honestly, nothing comes close to these. They’re long-lasting, keep the toilet fresh between cleans, and the colour stays strong right to the end. Reliable, effective, and totally worth it — proper top-tier quality.

### ⭐⭐⭐⭐⭐ Great product
*by E***K on 7 September 2025*

Those cubes are amazing. Using them already for so long and they keeping toilet clean and smell fresh. The box last so long and pricey is amazing. Service is brilliant as well. Arrived very fast great communication. Thank you

### ⭐⭐⭐⭐ owerful but Potentially Problematic
*by J***H on 4 April 2025*

Having used a wide array of toilet maintenance products over the years—from gels and discs to fizz tabs and bleach solutions—Bloo’s Original Blue In-Cistern Blocks immediately stood out for their sheer convenience and visual satisfaction. Drop it in and forget about it for several weeks? Easy. But as someone who maintains properties professionally and pays close attention to what happens beneath the surface, this little blue powerhouse isn’t without its warnings. First off, yes—it works impressively well on the surface. Each flush releases a rich blue swirl that’s both satisfying and clearly doing something. You notice less limescale build-up in the bowl, odours are kept in check even in high-use households, and there’s a clear foaming action that suggests it's actively cleaning. Over the course of four weeks, one block handled hard water scale, toilet rim residues, and that unspoken bathroom film with noticeable efficiency. However, the hidden trade-off? The inner cistern. After two months of back-to-back use, I noticed something odd in one client’s WC. The toilet began leaking from the base, and upon inspection, the flush seal (a rubber component that forms part of the siphon or flush valve) had deteriorated badly. It was softening, cracking at the edges, and had absorbed an unusual blue tint. The water left in the cistern had taken on a slick feel—almost slippery like a light detergent solution. Testing confirmed what I suspected: the active components, particularly the colourant and limescale agents in Bloo’s formulation, had gradually compromised the rubber seal integrity. The replacement cost wasn’t high, but for those with older cistern parts or non-standard fittings, it’s something to be aware of. Professionally, I now only recommend Bloo blocks in toilets where the cistern has synthetic seals (silicone or PTFE based) or where routine maintenance includes seal inspection every 6–12 months. For more delicate or rarely inspected cisterns—especially those using rubber-based drop valves or older flappers—these blocks can gradually degrade key internal parts. It’s not immediate, and many users might never notice, but it’s a hidden risk if left unchecked. On the plus side, the formulation is potent. It truly does reduce limescale over time, particularly if you're in a hard water area. The scent is crisp, not overly chemical, and the deep blue dye gives visual reassurance that the product is still working. It’s incredibly easy to install—no unwrapping, no fuss, just drop it near the float and you’re done. Each block lasted about 3–4 weeks in standard flush use and up to 5 weeks in a downstairs cloakroom with lower footfall. In terms of presentation and user-friendliness, it’s a winner. Pros: – Powerful limescale prevention and surface cleaning – Long-lasting (800 flushes per block is realistic) – Excellent value, especially in multipacks – Colour-changing indicator lets you know when it’s time to replace – Easy installation with no unwrapping required – Keeps the bowl fresh and blue between cleans Cons: – Can degrade rubber flush seals and gaskets over time – May cause unexpected leaks in older or sensitive cistern systems – Slightly greasy chemical feel to the water in the tank – No protective casing or child-safe packaging – Not suitable for macerators or wall-hung units without regular maintenance access Final thoughts: If you’re the type who wants a hands-off toilet cleaner that works visibly and doesn’t smell like hospital bleach, Bloo Original Blue is excellent—as long as you’re aware of the caveats. I’d advise using it with caution in high-end toilets or those with older plumbing. And if you're in a rental or managing multiple properties, periodic checks on seals and internal cistern fittings are a must. It’s a five-star performer when judged solely on cleaning power and convenience, but loses a star in my book due to the potential for long-term damage. A great product, but with a reminder: what it cleans in your bowl may wear away what’s behind the scenes. Use smartly.

## Frequently Bought Together

- Bloo Toilet Block Original Blue, Coloured Water In Tank Blocks, 4 x Cleaning blocks.
- Bloo Power Active Toilet Rim Block Fresh Flowers, with Anti-Limescale, Cleaning Foam, Dirt Protection and Extra Freshness - Pack of 3 Rimblocks
- Duck Deep Action Gel Toilet Cleaner Liquid, Removes Limescale, Long Lasting Fragrance, Pine Forest, 750ml

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-02-07*