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Hi there, I'm Jarvis! I see you're looking at the Commercial Dishwasher Detergent | Aluminium-Safe Cleaner | 20 Litre | OSMOS CU598. How can I help you with the technical specs or suitability for your business today?

Jarvis is an AI assistant and may occasionally provide incorrect details. To ensure your equipment fits and functions perfectly, we recommend verifying all critical specifications-including dimensions, power requirements, and compatibility-with our expert sales team prior to purchase.For orders or stock, call 0333 355 0535

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Osmos In Stock

Commercial Dishwasher Detergent | Aluminium-Safe Cleaner | 20 Litre | OSMOS CU598

SKU: CU598
£94.24 / exc vat
£113.09/ inc vat
  • Aluminium-Safe Formula
  • Non-Foaming Liquid
  • Built-in Scale Prevention
  • Large 20 Litre Pack

Order by 12pm

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UK Warehouse

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Features Overview Specifications Case Study Reviews Installation Buying Guide FAQ

Product Overview

Finding a workhorse detergent that cleans brilliantly without damaging your expensive kit can be a real headache. Meet the Osmos CU598, a powerful, non-foaming liquid designed specifically for the demands of a busy professional kitchen. It's a proper solution that gets to work on grease and  grime, leaving you with sparkling results wash after wash.

This commercial dishwasher detergent 20 litre drum is perfect for restaurants, bustling pubs, hotels, and  large-scale canteens that rely on their warewasher all day long. Its standout feature is its aluminium-safe formula, meaning your delicate pans, trays, and  utensils are protected from the blackening and  pitting that harsh chemicals can cause. It's the go-to choice for kitchens that use a mix of stainless steel and  aluminium equipment.

With a concentrated formula that prevents scale build-up and  a large 20-litre capacity to minimise changeovers, this detergent is all about making your life easier. It's a simple, effective, and  reliable cleaning powerhouse that keeps your machine and  your kitchenware in top-notch condition. Why settle for less when you can have a detergent that protects your investments?

Key Features and  Benefits

  • Aluminium-Safe Formula: Protects your delicate pans, trays, and  utensils from damage.
  • Non-Foaming Liquid: Ensures your machine runs smoothly without excess, damaging suds.
  • Built-in Scale Prevention: Keeps your dishwasher's internal parts clean and  running efficiently.
  • Large 20 Litre Pack: Means you'll be restocking far less often, saving valuable time.
  • Low-Alkaline Composition: Much kinder to septic tanks and  modern reed bed systems.
  • Soft to Medium Water Optimised: Specially formulated to work brilliantly in most UK water conditions.
  • Safe on Silverware: Keeps your premium cutlery sparkling without tarnishing or corrosion.
  • Concentrated Cleaning Power: A little goes a long way, offering fantastic cost-per-wash value.

Technical Specifications

  • Brand: Osmos
  • SKU: CU598
  • Product Type: Commercial Machine Dishwashing Liquid
  • Volume: 20 Litres
  • Weight: 27kg
  • Form: Liquid
  • Colour: Clear
  • Key Feature: Aluminium Safe
  • Water Compatibility: Soft to Medium

Expert Review and  Insights

In a busy kitchen, the last thing you need to worry about is your detergent ruining your equipment. The Osmos CU598 is a solid performer that gives you peace of mind. Its ability to tackle daily grime while being gentle enough for aluminium is a huge plus, making it a truly versatile and  dependable choice for any professional setup.

Charlotte Rayner – Commercial Cleaning Expert View Profile →

  • Asset Protection: A true all-rounder that cleans effectively while protecting valuable aluminium kit.
  • Water Specific: Performs best in soft-to-medium water; hard water areas might need a different solution.

Case Study: Real Business, Real Results

'The Salty Siren', a popular seafood restaurant in Whitby, recently upgraded their cookware but noticed their old detergent was causing discolouration on their new aluminium pans.

"We were gutted to see our new pans getting damaged almost immediately. We switched to the Osmos CU598 after a recommendation, and  the difference was night and  day. The pans are protected, and  everything comes out gleaming."

Liam O'Connell – Head Chef

The switch completely halted equipment damage, preventing costly replacements and  ensuring their kitchenware investment was protected.

Installation and  Maintenance Guide

Setting It Up

  • Always wear appropriate PPE, such as gloves and  eye protection, when handling and  connecting the detergent.
  • Check your dishwasher's manual to correctly identify the detergent intake hose (usually marked).
  • Place the container on a stable, level surface close to the machine, avoiding walkways or trip hazards.
  • Securely insert the machine's intake hose into the OSMOS CU598 dishwasher detergent container, ensuring the pipe reaches near the bottom.

Keeping It Going

  • Regularly monitor the detergent level to plan re-orders in advance and  avoid running out mid-service.
  • Keep the container cap sealed tightly when not in use to prevent contamination and  maintain product effectiveness.
  • Wipe up any spills immediately with a damp cloth to keep the area clean and  safe.
  • Store the container in a cool, dry, and  well-ventilated area, away from foodstuffs and  direct sunlight.

Buying Guide: Choosing the Right Dishwasher Chemical

Not sure what to look for? Choosing the right chemical for your warewasher is crucial for great results and  a long machine life. Here’s a quick guide.

Check Your Water Hardness

Chemicals are formulated for soft, medium, or hard water. Using the wrong one can lead to limescale build-up or poor cleaning performance.

Consider Your Cookware

If you regularly wash aluminium, copper, or other delicate materials, a specialised, non-caustic detergent is essential to prevent irreversible damage.

Volume and  Frequency

A larger commercial dishwasher detergent 20 litre container is more cost-effective and  reduces the hassle of frequent re-ordering for busy establishments.

Detergent vs. Rinse Aid

Detergent handles the cleaning, while rinse aid is vital for rapid, spot-free drying. For professional results, you almost always need both.

Environmental Considerations

Look for low-alkaline or phosphate-free options, especially if your business uses a septic tank or is subject to stricter water regulations.

See all Dishwasher Detergent & Rinse Aid

Frequently Asked Questions

Q: Can I use this product in my glasswasher as well?

A: Yes, its professional non-foaming formula makes it perfectly suitable for both commercial dishwashers and  under-counter glasswashers.

Q: What does 'aluminium-safe' really mean for my kitchen?

A: It means the chemical formula is non-corrosive to aluminium, preventing the blackening, pitting, and  damage that standard caustic detergents can cause.

Q: Do I still need to use a rinse aid with this detergent?

A: Absolutely. For the best, streak-free results and  faster drying times, we always recommend using this detergent in conjunction with a separate rinse aid.

Q: Can I use this for washing dishes by hand?

A: No, this is a concentrated commercial machine dishwashing liquid designed specifically for use in automatic warewashing machines and  is not suitable for manual washing.

Q: What water conditions is this detergent designed for?

A: This Osmos detergent is formulated for optimal performance in soft to medium water conditions, which covers a large part of the UK.

Q: Why is a 'non-foaming' feature important?

A: Excess foam inside a dishwasher can dramatically reduce the power of the water jets, leading to poor cleaning results and  potentially causing damage to the machine's pump.

Q: Is it safe for my pub's septic tank system?

A: Yes, its low-alkaline formula is designed to have a minimal impact on the essential bacterial cultures found in septic tanks and  reed bed systems.

Q: Is this product fragranced?

A: No, professional detergents like this are unfragranced to prevent any chemical tastes or smells from transferring onto your clean dishware.

What Customers Are Saying

"This is the only detergent we'll use now. It's a proper aluminium safe dishwasher detergent that actually works and  keeps our expensive trays looking new."

Ben G. – Bakery in Cardiff

"A really effective catering dishwasher cleaning fluid. The 20L drum lasts for ages, which is great for our busy hotel kitchen. A solid, reliable product."

Chloe Davis – Hotel in Birmingham

"Does exactly what it says on the tin. No foam, clean dishes, and  no damage to our kit. Can't ask for more than that!"

Samir Khan – Restaurant in Leicester

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The Osmos Standard: Consistency in Every Wash

Choosing the right chemical goes far beyond the immediate goal of clean plates; it's a strategic decision that impacts your operational efficiency and  long-term costs. The Osmos CU598 is more than just a professional dishwasher soap 20L; it represents operational peace of mind. By engineering a formula that is both tough on food soils and  gentle on your equipment, Osmos helps you sidestep the hidden expense of prematurely replacing valuable aluminium cookware. This focus on asset protection, combined with the sheer reliability of a high-performance clean, translates into fewer time-wasting re-washes, less machine downtime from scale build-up, and  a kitchen that runs more smoothly. It's a smart, practical choice that delivers value in equipment longevity and  daily efficiency, service after service.

Explore more from Osmos

Why an 'Aluminium-Safe' Formula Matters

Ever wondered why some detergents leave black marks or a chalky texture on aluminium pans? It's because most standard commercial detergents are highly alkaline (or caustic). This is fantastic for blasting through grease on stainless steel, but it causes a chemical reaction with softer metals like aluminium, slowly eating it away and  causing that tell-tale pitting and  discolouration. The Osmos CU598 uses a carefully balanced, low-alkaline formula to avoid this problem entirely.

Think of it like caring for a car. You'd use a powerful degreaser on the engine block, but you wouldn't use that same harsh chemical on the delicate paintwork. This detergent is that 'paintwork-safe' solution for your kitchen, providing a powerful clean without stripping, staining, or damaging your valuable aluminium and  silverware.

Who Should Buy This?

  • Busy Restaurants & Pubs: For high-turnover dishwashing where protecting a wide range of cookware, including aluminium, is essential.
  • Schools & Care Homes: Provides reliable, cost-effective cleaning results while being safe for mixed kitchenware inventories.
  • Hotels & Event Venues: The bulk 20L size of this professional dishwasher soap 20L ensures your team is always stocked up for non-stop services.
  • Independent Cafés & Bakeries: Perfect for operations that need professional results and  want to avoid damaging their aluminium baking trays and  pans.
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